Black Textured Rubber Peel and Stick Grip Enhancements for Kahr CM9, CM40, PM9, PM40 Black Textured Rubber Peel and Stick Grip Enhancements for Kahr CM9, CM40, PM9, PM40 Will not add bulk to your grip. (0.018 inches thick) Our Black Textured Rubber grip enhancements are superior to any stock polymer grip. If you want a better grip on your handgun, but do not want any level of aggressiveness, then this is the grip enhancement kit for you. They will improve the feel of your handgun. They don't feel like much when you first take them out of the package, but when the peel and stick backing is removed and they are pressed onto the grip of the gun, there will be a big difference in the way your handgun feels. FREE Shipping with Tracking via the US Postal Service. This is a self-adhesive peel and stick friction improving product that attaches directly to your existing grip frame or removable grip.