On this page
Birds nesting beneath a rooftop panel can pack the gap with nesting material and droppings, and a mesh guard held by locking clips keeps that space closed without drilling into the panel frame. The best solar panel locking fasteners in this roundup hold wire mesh to panel edges with self-locking washers and J hooks, ranked on stated material, set count, washer and hook sizes rather than looks alone. Stainless sets lead the ranking, a nylon set follows for a flexible fit, and smaller and larger set counts appear among the more picks below.
SolarKitHQ earns a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Affiliate disclosure.
Quick picks
Best Overall Funrous 300 Pack Guard Clips: 300 sets of stainless clips with black coating for mesh Check price on Amazon
Best Sized Set SOLINOVA 130 Pack Clips: 130 sets with 1.5 inch washers and 4.7 inch hooks stated Check price on Amazon
Large Steel Set Funrous 240 Sets Guard Clips: 240 sets with 25 mm washers and 1 by 3.54 inch hooks Check price on Amazon
Best Nylon Option FUTRPOW 100 Sets Nylon Clips: 100 nylon sets with 1.4 inch washers and 4.3 inch hooks Check price on Amazon
The picks
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | Funrous 300 Pack Guard Clips | 9.7/10 | Buy on Amazon |
| 2 | SOLINOVA 130 Pack Clips | 9.6/10 | Buy on Amazon |
| 3 | Funrous 240 Sets Guard Clips | 9.5/10 | Buy on Amazon |
| 4 | FUTRPOW 100 Sets Nylon Clips | 9.5/10 | Buy on Amazon |
Funrous 300 Pack Guard Clips
A 300 set pack of stainless guard clips with self-locking washers and J hooks, black coating and drill-free fitting stated.
Pros
- 300 sets stated, with 300 self-locking washers and 300 J hooks
- 304 stainless steel stated with resistance to corrosion and oxidation
- Black coating stated to resist UV radiation and outdoor elements
- Drill-free fitting stated, with wire mesh fixed without drilling holes
Cons
- No warranty term is stated
- No weather code or certification is stated
- Hook length of 0.47 inch reads small beside the 4.7 inch hooks on other picks
- Wire mesh is not included, so mesh must be bought alongside the clips
Detailed Review
The listing states 300 packs of guard clips with 300 self-locking washers and 300 J hooks, in 304 stainless steel with a black coating that resists UV radiation and outdoor elements, and a 25 mm size. Fitting is stated without drilling holes, with the wire mesh fixed to the panel by the clips, and the J hook is stated at 0.47 inch in length and 0.08 inch in diameter. The spec table gives 600 items, which matches 300 washers plus 300 hooks, and the spec table dimensions of 5.91 by 3.94 by 2.36 inches read like a pack size. No warranty term and no weather code are stated, and wire mesh is not included.
Who it's for: owners guarding a larger array who want a bulk stainless set with spares for replacement. Who should skip it: buyers who want a stated warranty term, a weather code, or mesh included in the pack.
Its Solar Score of 9.7/10 comes from performance 29/35, build 22/25, value 22/25, safety not scored (non-powered gear) and warranty 0/5: 73 of 90 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Sets | 300 sets (300 washers, 300 hooks) |
|---|---|
| Material | 304 stainless steel |
| Coating | Black coating |
| Hook | 0.47 in long, 0.08 in diameter |
Figures as published on the retailer listing, collected 30 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Size and fuse it. Match wire gauge and fuses to the current the maker specifies, keep MC4 connectors matched to the same type, and keep connections dry and strain relieved.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
SOLINOVA 130 Pack Clips
A 130 set pack of stainless guard clips with 1.5 inch washers, 4.7 inch hooks and drill-free fitting stated.
Pros
- 130 sets stated, with 130 washers at 1.5 inches and 4.7 inch J hooks
- 304 stainless steel stated, rust-free with stable performance under snow, intense sun and harsh weather
- Black coated washers stated to resist rust, oxidation and rain
- Drill-free fitting stated with no drilling and no extra tools required
Cons
- No warranty term is stated
- No weather code or certification is stated
- Fewer sets than the 300 set and 240 set picks, so spares run out sooner on a large array
- Spec table dimensions of 7.0 by 2.0 by 5.0 inches read like a pack size rather than a clip size
Detailed Review
The listing states 130 sets of guard clips in 304 stainless steel, with 130 self-locking washers at 1.5 inches and 4.7 inch J hooks, black coated washers for UV and weather protection, and drill-free fitting with no drilling and no extra tools required. It states stable performance under snow, intense sun and harsh weather, and compatibility with bird wire and pigeon deterrent fencing. The self-locking gaskets and hooks interlock tightly for a hold that resists slipping and loosening. No warranty term and no weather code are stated.
Who it's for: household rooftop and large-scale solar owners who want a clearly sized stainless set for bird wire mesh. Who should skip it: buyers who want a larger set count, a stated warranty term, or a weather code.
Its Solar Score of 9.6/10 comes from performance 29/35, build 22/25, value 21/25, safety not scored (non-powered gear) and warranty 0/5: 72 of 90 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Sets | 130 sets |
|---|---|
| Material | 304 stainless steel |
| Washer | 1.5 in |
| Hook | 4.7 in |
Figures as published on the retailer listing, collected 30 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Size and fuse it. Match wire gauge and fuses to the current the maker specifies, keep MC4 connectors matched to the same type, and keep connections dry and strain relieved.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Funrous 240 Sets Guard Clips
A 240 set pack of guard clips with 25 mm washers and 1 by 3.54 inch hooks, with material and count left unclear in the listing.
Pros
- 240 sets stated in the title for a larger array with spares
- Washers stated at 25 mm, or 1 inch, in diameter
- Hooks stated at 25 by 90 mm, or 1 by 3.54 inches
- Holds metal mesh steadily without affecting the solar panel system, as stated
Cons
- Title says stainless steel while the bullets describe an aluminum material, so the material is unclear
- Bullets claim 240 pieces while listing 240 washers and 240 hooks, and the spec table says 240 items, so the count is unclear
- No warranty term is stated
- No weather code or certification is stated
Detailed Review
The listing title states 240 sets of stainless steel guard clips for bird and pigeon fencing, while the bullets describe a quality aluminum material with resistance to corrosion and oxidation, so the material is left unclear between title and bullets. The bullets claim 240 pieces while listing 240 washers and 240 hooks, and the spec table says 240 items, so the count is unclear as well. Sizes stated are washers at 25 mm, or 1 inch, in diameter, and hooks at 25 by 90 mm, or 1 by 3.54 inches. The clips fix wire mesh to panels as a barrier against birds, with steady holding stated. No warranty term and no weather code are stated.
Who it's for: owners who want a large set count and can confirm material and count with the seller before ordering. Who should skip it: buyers who want a clearly stated material, a clear count, a warranty term or a weather code.
Its Solar Score of 9.5/10 comes from performance 27/35, build 19/25, value 20/25, safety not scored (non-powered gear) and warranty 0/5: 66 of 90 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Sets | 240 sets (title) |
|---|---|
| Material | Unclear: stainless in title, aluminum in bullets |
| Washer | 25 mm / 1 in |
| Hook | 1 x 3.54 in |
Figures as published on the retailer listing, collected 30 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Size and fuse it. Match wire gauge and fuses to the current the maker specifies, keep MC4 connectors matched to the same type, and keep connections dry and strain relieved.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
FUTRPOW 100 Sets Nylon Clips
A 100 set pack of nylon guard clips with 1.4 inch washers, 4.3 inch hooks and drill-free fitting stated.
Pros
- 100 sets stated, with 100 self-locking washers and 100 J hooks
- Nylon stated as sturdy, corrosion-resistant, rust-resistant and free of oxidation
- Flexible nylon stated to bend without breakage during long-term use
- Drill-free fitting stated, with mesh fixed without drilling holes and a hold that stays in place
Cons
- No warranty term is stated
- No weather code or certification is stated
- Nylon rather than stainless steel, so the material differs from the leading picks
- Fewest sets in this group at 100, so spares run out sooner on a large array
Detailed Review
The listing states 100 sets of nylon guard clips with 100 self-locking washers and 100 J hooks, with washers about 1.4 inches in diameter, hooks 4.3 inches in length, and a weight of 1.2 lb for 100 sets. The nylon is stated as sturdy, corrosion-resistant, rust-resistant and free of oxidation, with a flexible body that bends without breakage, and hooks with a bamboo style texture for a tight connection with the gaskets. Fitting is stated without drilling holes, with mesh held in place against animal and bird damage. The spec table gives 200 items, which matches 100 washers plus 100 hooks. No warranty term and no weather code are stated.
Who it's for: owners who want a flexible nylon set for a smaller array or for mesh that needs a bendable hook. Who should skip it: buyers who want stainless steel, a larger set count, a warranty term or a weather code.
Its Solar Score of 9.5/10 comes from performance 26/35, build 19/25, value 20/25, safety not scored (non-powered gear) and warranty 0/5: 65 of 90 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Sets | 100 sets |
|---|---|
| Material | Nylon |
| Washer | 1.4 in diameter |
| Hook | 4.3 in |
Figures as published on the retailer listing, collected 30 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. This product does not plug in or run on a battery, so safety is not part of its score. No warranty term, so warranty scores zero. See How We Pick.
Size and fuse it. Match wire gauge and fuses to the current the maker specifies, keep MC4 connectors matched to the same type, and keep connections dry and strain relieved.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
Funrous 50 Pack Guard Clips50 sets of stainless clips with black coating for bird wire meshCheck on Amazon
FUTRPOW 300 Sets Steel Clips300 stainless sets with black coating and a lifetime warranty statedCheck on Amazon
FUTRPOW 200 Sets Steel Clips200 stainless sets with black coating and a lifetime warranty statedCheck on Amazon
SOLINOVA 80 Sets Guard Clips80 stainless sets with UV protection for bird wire meshCheck on Amazon
MachZ 100 Fastener Clips100 clips with black-coated stainless washers for panel framesCheck on Amazon
Compare the picks
| Fastener | Solar Score | Sets | Material | Washer size | Hook size | Amazon |
|---|---|---|---|---|---|---|
| Funrous 300 Pack Guard Clips | 9.7/10 | 300 sets | 304 stainless steel | 25 mm | 0.47 in | View on Amazon |
| SOLINOVA 130 Pack Clips | 9.6/10 | 130 sets | 304 stainless steel | 1.5 in | 4.7 in | View on Amazon |
| Funrous 240 Sets Guard Clips | 9.5/10 | 240 sets | Unclear: title stainless, bullets aluminum | 25 mm / 1 in | 1 x 3.54 in | View on Amazon |
| FUTRPOW 100 Sets Nylon Clips | 9.5/10 | 100 sets | Nylon | 1.4 in | 4.3 in | View on Amazon |
Specifications are manufacturer rated as listed, collected 30 October 2026.
How we scored them
The Solar Score weighs performance, build, value, safety and warranty. For a locking fastener, safety means a stated certification or weather code, and no pick in this group states one, so every pick scores zero on that line. None of the four picks states a warranty term either, so the ranking turns on stated material, set count and stated washer and hook sizes. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| Funrous 300 Pack Guard Clips | 9.7 | 29 | 22 | 22 | n/a | 0 |
| SOLINOVA 130 Pack Clips | 9.6 | 29 | 22 | 21 | n/a | 0 |
| Funrous 240 Sets Guard Clips | 9.5 | 27 | 19 | 20 | n/a | 0 |
| FUTRPOW 100 Sets Nylon Clips | 9.5 | 26 | 19 | 20 | n/a | 0 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score. Safety counts only for powered gear or where the listing states safety features; where it does not apply, the score is taken over the remaining 90 points.
How to choose the best solar panel locking fasteners
Stainless steel or nylon
Material is the clearest split. The Funrous 300 set and the SOLINOVA set state 304 stainless steel with a black coating, and both claim resistance to corrosion, oxidation and UV radiation. The FUTRPOW set states nylon instead, with a flexible body that bends without breakage stated, and a weight of 1.2 lb for 100 sets. The Funrous 240 set is the odd one out: its title says stainless steel while its bullets describe an aluminum material, so its material is left unclear. For a stainless set with a stated material, either leading pick is the safer read.
Set count and spares
Set counts run from 100 to 300 sets across the four picks, and each set pairs washers with J hooks. The Funrous 300 set states 300 washers and 300 J hooks, the Funrous 240 set states 240 sets in its title, the SOLINOVA set states 130 sets, and the FUTRPOW set states 100 sets. A larger array needs more sets, and spares cover future replacement needs, which every listing names as a reason for a bulk pack. Smaller and larger set counts appear among the more picks below for arrays that fall outside this group.
Washer and hook sizes
Sizes decide whether a clip grips the mesh and the panel edge. The SOLINOVA set states 1.5 inch washers and 4.7 inch hooks, the FUTRPOW set states 1.4 inch washers and 4.3 inch hooks, and the Funrous 240 set states 25 mm washers and 1 by 3.54 inch hooks. The Funrous 300 set states a 25 mm size with hooks of 0.47 inch in length and 0.08 inch in diameter, which reads small beside the 4.7 inch hooks on other picks. Compare the stated sizes side by side before choosing:
| Fastener | Washer | Hook |
|---|---|---|
| Funrous 300 Pack Guard Clips | 25 mm | 0.47 in |
| SOLINOVA 130 Pack Clips | 1.5 in | 4.7 in |
| Funrous 240 Sets Guard Clips | 25 mm / 1 in | 1 x 3.54 in |
| FUTRPOW 100 Sets Nylon Clips | 1.4 in | 4.3 in |
Drill-free fitting
All four picks state fitting without drilling holes, which preserves the panel frame. J hooks hang on solar panel edges and lock washers hold the wire mesh in place, with a tight connection that resists loosening stated on the stainless picks. The Funrous 300 set states that wire mesh is not included, so mesh must be bought alongside the clips. The other picks state compatibility with guard mesh without stating mesh inclusion, so check the listing for mesh before ordering. For bracket options, see our best aluminum z brackets for solar panels, and for mount options, see our best solar panel mounts for trailer.
Sizing Notes
- Match washer and hook sizes to the mesh and panel edge: SOLINOVA states 1.5 inch washers and 4.7 inch hooks, FUTRPOW states 1.4 inch washers and 4.3 inch hooks.
- Match set count to the array: 300 sets on the Funrous pick, 240 sets on the second Funrous pick, 130 sets on SOLINOVA and 100 sets on FUTRPOW, with spares for replacement.
- Match material to the weather: 304 stainless steel with black coating on the leading picks, nylon with a flexible body on the FUTRPOW pick.
- Check the listing where it conflicts: the Funrous 240 set states stainless steel in its title and aluminum in its bullets, and its count is stated as sets in the title and pieces in the bullets.
- Buy mesh alongside the clips where the listing states mesh is not included, as on the Funrous 300 set.
Frequently Asked Questions
Do these clips need drilling?
No. All four picks state fitting without drilling holes, with J hooks hung on panel edges and lock washers holding the mesh in place.
Is wire mesh included with the clips?
The Funrous 300 set states that wire mesh is not included. The other picks state compatibility with guard mesh without stating mesh inclusion, so mesh should be bought alongside unless the listing says otherwise.
Which pick states the largest set count?
The Funrous 300 set, at 300 sets of washers and J hooks. The Funrous 240 set states 240 sets in its title, followed by SOLINOVA at 130 sets and FUTRPOW at 100 sets.
What materials are stated?
304 stainless steel on the Funrous 300 set and the SOLINOVA set, nylon on the FUTRPOW set, and an unclear material on the Funrous 240 set, whose title says stainless steel while its bullets describe aluminum.
Which washer and hook sizes are stated?
SOLINOVA states 1.5 inch washers and 4.7 inch hooks, FUTRPOW states 1.4 inch washers and 4.3 inch hooks, Funrous 240 states 25 mm washers and 1 by 3.54 inch hooks, and Funrous 300 states a 25 mm size with 0.47 inch hooks.
Related guides
See every Mounts, Cables and Connectors guide and all Solar Panels and Kits guides.
More picks: best aluminum z brackets for solar panels, best solar panel mounts for trailer, best solar panel mounts for truck, best solar panel mounts for balcony.
