TALON Grips for Glock 20,21,40,41 (Gen4 Lrg Backstrap) Black Rubber - 121R W/Free Sticker - Johnson Enterprises, LLC TALON Grips are a US patented single piece wrap around adhesive grip Create a functional and positive interface between the operator and the firearm Only 5mm in thickness they create no perceptible increase in grip thickness Proudly Distrubited by Johnson Enterprises, LLC Grip Texture: Black Rubber Grip