INDUSTRIAL GRADE ADVANCED MATERIALS: The pneumatic hammer tool made with wear-resistant aluminium alloy, which can ensure long service life. Made of high quality movement, which is very easy to use. Alloy springs are not easy to break and deform. The handle is fully polished for added texture. Full metal casing is more durable. STABLE AND CONVENIENT: Standard quick-change spring for speed and ease of chisel change. The cylinder is heat treated to allow for smoother operation. The powerful pull spring is elastic which can effectively reduce vibration. At the same time, it can effectively save pressure. AIR HAMMER PNEUMATIC CHISEL BITS: Specially heat-treated impact chisels for maximum durability. Alloy fittings offer high hardness and wear resistance, and a variety of head designs provide a wide range of functions. Universal circular and hexagonal sockets for easy installation. APPLICATION FIELD: Our handheld air hammer is suitable for metal cutting, chipping, and scraping, used for casting sand cleaning and welding front opening, welding slag, flat solder scar, correction of stone, concrete and brick wall opening work. PNEUMATIC ADJUSTMENT: The bottom of the handle is equipped with air inlet and air pressure adjustment knob, built-in filter to effectively prevent the entry of debris and cause damage to the movement. The speed switch can adjust the speed of the blow as needed.