Easy-to-install, spring-steel belt clip eliminates the holster, reduces bulk, improves concealment, gives a sleeker profile. Clip, mounted on replacement slide cover plate, extends along the right, or left side of the slide. Carry your pistol conveniently tucked in your waistband, pocket or boot. Does not interfere with slide function. No-gunsmith installation. *Fits Glock 20/21/29/30/37