Bosch GDS18V 770N 18V PROFACTOR 3 4 Inch High Torque Impact Wrench BITURBO Brushless Motor 770 Ft Lbs Fastening 1250 Ft Lbs Breakaway Power Bare Tool Lighting these elite anchors are engineered these elite anchors are engineered to withstand continuous high torque tensioning loops and severe environmental exposure the GDE18V 26D includes two Dust Eye sizes (5 8" and 1") and a 4" extension to accommodate bit diameters up to 1" and lengths up to 10" Dual Secure Drive: Features a 3 4" square drive with both a friction ring and thru hole for maximum socket retention BITURBO Efficiency: Engineered to maintain long runtime even under high load industrial conditions