The Ramset TriggerShot 0.22 lb. Caliber Powder Actuated Tool is great for completing small do-it-yourself projects. Use for instant fastening into concrete, masonry, or steel. This handy tool works with 1/2 in. - 3 in. fasteners (not included) and has a single-shot trigger that's easy to use. Oversized padded palm grip for recoil absorptionNo hammer needed: Simply pull trigger for easy actuationVersatile: Use for various applications with 3 in. capacity