SR-9504X4X Shock Reduced Air Riveting Hammer - Capacity cold rivets (Dural) 1/4"(6.4 mm)- Capacity cold rivets (Steel) 3/16"(4.8 mm)- Bore and stroke 1/2"x3-1/16"(12.7 mm x77.8 mm)- Blows Per Minute 1;740 bpm- Air Inlet thread 1/4" NPT (PT)- Air Pressure 90 psi (6.3 bar)- Overall length 9.84"(250 mm)- Net weight 3.74lb (1.7 kgs )- Chisel shank opening.401"(10.2 mm)- Avg. Air consumption 8.8 cfm (249 L/min)- Vibration m/s2 10- Sound Pressure dBA 105