Square driver: 1/2"

Capacity Bolt Size: 0.63"

Free Speed: 7000r. p.M

Max Torque: 500ft-lb/680N. M

Overall length: 7.09" /180mm

Air Inlet: 1/4"

Air Hose: 3/8"

Net Weight: 5.70lbs/2.58kgs

Packing: 8pcs