This product has the following fits: 9mm & .40 Double-Stack Double Magazine Pouch (fits Glock & H&K USP) - Allows the user to carry two additional magazines and provides easy and fast access for quick reloads. Adjustment screw with low profile design. - Lightweight compact design - Low profile design for concealability - Rubberized paddle insert for extra stability and comfort - Steel reinforced rivet attachment - Adjustable tension screw available on some models - Offered in paddle belt and roto styles