Drives nail and metal or plastic caps in tandem for better hold. Selective actuation: a simple flip of the switch allows for either sequential or bump fire nailing,no additional parts or tools required. Tool-free depth adjustment. Magazine angle: 16 degrees. Air inlet: 3/8 in. Operating pressure: 70-120 PSI. Weight: 5.52 lbs. Speed: 3 nails/sec. Nail capacity: 350. Cap capacity: 350. Cap types: 1 in. Plasti-Top plastic collated, 1 in. round-top steel collated.