This Galco D.M.C. (Double Magazine Carrier) fits 9mm, .40 S&W, .357 Sig, 10mm Auto, or .45 ACP caliber single-column magazines made of metal or polymer. This exceptional wrap-around design features two one-way snaps on back, allowing it to fasten to your belt vertically. It also includes two tension screw adjustments on front, providing a precision fit. It is constructed of premium saddle leather and is designed to fit belts 1" - 1 1/4" through belt slots and 1 1/2" - 1 3/4" through the belt channel. Black finish.