Gison 1/2" Impact Wrench GW-19J Gison 1/2" Impact Wrench, 550Ft LbsMechanism : Twin HammerSquare Drive : 1/2"Bolt Capacity: 18 mmMax. Torgue : 550ft-lbs (745Nm)Free Speed : 8000rpmNet Weight : 2.6kgsLength : 188 mmAir Inlet : 1/4"Air Cons. : 0.14 m3/minAir Pressure : 90psi (6... MSRP: Was: Now: $315.00 ex GST