China professional supplier of air pneumatic products such as air die grinder,angle grinder,air sander,random orbital sanders, belt sander,air spray guns,impact wrench,ratchet wrench, pneumatic chisel hammer ,pneumatic drills,screwdriver,rivet gun,air tools kit,airless spray guns, air nailers, airbrush guns,mini compressor kit etc. for woodworking construction automotive jobs DP-5108 1/2" Professional Pneumatic Impact Wrench *Twin Hammer mechanism with strong power *Square Drive : 1/2" *Bolt Capacity : 16 mm *Max. Torque : 430 ft.lb (580 Nm) *Free round speed: 8000rpm *Net weight: 2.6kgs *Built in 5 position power regulator *Simple push button forward / reverse mechanism. *Rubber comfortable grip. *Heavy duty design for industrial & professional usage. *Ideal for tire changing / repairing, body shop etc. *Long shaft (DP-5108L) is available.