General description Dewalt DCF921N-XJ 18v Brushless 1/2 Compact impact wrench delivers impressive performance with up to 609 breakaway torque (406 Nm of fastening torque), making it ideal for removing the tightest bolts. Its ultra-compact and lightweight design allows for use in confined areas, while the square drive with a hog ring enables quick socket changes. The tool features a hole in the anvil for securing sockets with a retaining pin or rubber O-ring, making it particularly suitable for scaffolders. Technical specifications Breakaway torque: 609 Nm Fastening torque: 406 Nm Length: 125 mm Socket sizes included: 8, 10, 12, 13, 14, 15, 17, and 18 mm Includes a 1/4" Hex to 1/2" Square converter Compatibility and accessories Includes a 9 Piece Cr-Mo Impact Socket Set Suitable for 1/2" square drive impact wrenches Supplied in a tough injection moulded case Installation Tool impacts for 1.5 seconds after run-down to help prevent over-tightening in forward mode Tool stops when fastener