SpecificationsCapacity: Bolt 12 - 22mm (1532 - 78")High Tension Bolt 12 - 16mm (1532 - 58")Drive 12.7mm (12") Square Bit ShankTightening Torque 480Nm (4, 250in.-lbs.)Battery Voltage 18VNo Load Speed 1, 500min.Full Load Impact Rate 2, 000min.Overall Length 264mm (10-38")Weight 3.4kg (7.5lbs.)Standard Accessories 2 Batteries (BSL1840 or BSL1830), Charger (UC18YRSL), Battery Cover, Carrying Case