Made from a special rubber formula that gives superior stretch yet maintains tight fit on almost all gun frames. Designed for easy installation and available in five sizes to eliminate the need to cut the grip to fit. Five models cover the range of semi-auto pistol frame sizes. Four sizes come with finger grooves. Easiest to install5 sizes Soft rubber Specialized, hollow finger grooved Slip-On designed for the Glock 26/27/33 Also works on the Beretta Mini-Cougar and other compact semi-autos Fits: Beretta Mini CougarBrowning BDA and Hi-Poser Glock - 26,27 and 30 Heckler & Koch USP CompactKel-Tec P-11, Sigarms P-239 and other pistols if similar size