Works with most 9mm/.40 double stack and 9mm/.40/.45 single stack magazines of various gun models; Designed to be worn in the IWB and OWB positions; Suitable for both right and left-handed shooters; Easily attached/detached from the belt with a 1.5" Belt Clip; Comes with the adjustable tensioner device to allow perfect magazine retention; Can be adjusted up to 20 degrees in both directions ; Enables quick and easy gun reloading; Fits snugly around the mag to provide ultimate protection; Made of exceptionally lightweight Polymer material; Ideal for gun enthusiasts who carry different pistols on different occasions