[Powerful and Light] As an industrial pneumatic upholstery stapler with powerful performance, it has a weight of 2.09lbs, making the operation more flexible and convenient. [Safety] With no-mar bumper and safety trigger set, making the operation safer. [Long-lasting] Use a durable muzzle to serve for a long time [Quiet and Clean] Built-in silencer makes a soft noise, rear exhaust keeps oil off fabric and face. [Fastener Range] 22 Gauge 3/8" Crown 1/4" to 5/8" (6mm-16mm) Leg Length Staples (Staples are not included.)