Crossman 71-809 气动扳手（1/2英寸，500英尺磅，7200RPM）

Wrench Type: 1/2 inch

Clutch type: Twin hammer

Working torque range at 90 psi: 200~330 ft-lb.

Maximum endured working pressure: 256 psi (18.0kg/cm2)

Maximum torque (after 30 seconds at 90 psi): 500 ft-lb.

Free speed at 90 psi: 7200 rpm

Air inlet thread: 1/4 inch NPT

Minimum hose size: 3/8 inch

Noise value: 93 db

Average air consumption: 16.8 cfm

Air exhaust: Handle exhaust