Replacement Shim Pack
The ultra-weatherproof replacement shims for maximum hook grip and stability.
Zero Slip Guaranteed
Locks your hook into a tight grip, keeping your flags and outdoor décor securely in place.
Instant Fit Restoration
Designed to fit directly as the original shims supplied with your hook—no tools required.
Customizable Holding Power
Need a tighter fit? Supplement the gripping power by stacking multiple shims together.
Extreme Weatherproof Material
Built from high-tech rubber that withstands abrasion, UV rays, ozone, and temperatures from -50°F to 150°F.
What's Included
1× shim in your selected size — Small (5/8" outer), Large (3/4" outer), or 1 ½" (1 ½" outer). All with a 1/4" inner diameter.
Dimensions & Fit
Engineered to fit seamlessly with all standard What D Hook sizes to bridge the gap on custom or slightly smaller posts.
Restore your grip or your money back
Every shim is covered by our 30-day guarantee. If a fresh shim doesn't bring your hook's grip back to like-new, we'll refund you - no questions, no return needed.