Wide durable clip to keep your gun in place; Serrations along the clip that aid in gripping the clip when pulling the slide back; No modification; Easy to conceal; Lightweight; Compatible with the Glock 42. Not compatible with the Glock 43; Fast installation; Eliminates bulk; Backed by a Money Back Guarantee and Lifetime Warranty; Comes with (Black) Milled Billet back plate, screws and an allen key; You can stash your pistol in your pocket, on your waist, or even in the small of your back