Perfect fit for below models: 1. 2019-2026 Chevy Silverado 1500; 2. 2020-2026 Chevy Silverado 2500HD/3500HD; 3. 2019-2026 GMC Sierra 1500; 4. 2020-2026 GMC Sierra 2500HD/3500HD. Tips for quick check: If you can't put the credit card vertically into the slot(refer to the picture), it fits; vise versa. We DON'T fit the models of 2018 or earlier Silverado and Sierra truck models Install in Seconds: Install the bed rail caps in seconds by pushing or tapping the cover into the hole directly or with the help of a simple hammer. Fit Snugly without Bouncing Out: it fits with your truck bed rail without gaps. The free non-slip cotton mat makes it fit tighter and prevent from bouncing out. The edge is thickened to make the stake pocket covers more sturdy and not easy to break. No More Holes: No more holes and keeps dust, leaves, rainwater and snow away from your truck stake holes. High Quality Material: Made of premium ABS material, high temperature resistant, will not expand nor fade. Bed Rail Stake Pocket for GMC Chevy Silverado/GMC Sierra 2500/3500HD(2020-2026), Chevy Silverado/GMC Sierra 1500(2019-2026), Truck Rear Caps Bed Rail Holes Covers (2PCS)