The Draper Expert 1/2" Drive 21mm Hi Torq Deep Impact Socket is designed for larger automotive fasteners and is commonly found on wheel nuts for certain European and American vehicles, as well as suspension components and drivetrain assemblies. This size bridges the gap between standard socket sizes, ensuring comprehensive coverage for diverse applications. Manufactured from forged chrome vanadium steel with rigorous hardening and tempering processes, this socket is engineered to withstand the high-impact forces and torque levels encountered in professional use. The chemical blackening treatment creates a durable, corrosion-resistant surface that maintains its functionality and appearance over extended service. The deep 6-point hexagon configuration ensures maximum engagement with fastener flats, preventing slippage and damage even when dealing with tight or corroded fasteners. The 78mm overall length provides excellent depth for recessed wheel nuts and allows secure engagement with extended bolt threads. Compatible with air, electric, and manual impact wrenches, this socket delivers professional reliability across a wide range of applications. Features and Benefits: • 21mm socket size for larger vehicle fasteners • Overall length 78mm • Chrome vanadium steel hardened tempered and chemically blacked Contents: • 1 x Draper HI-TORQ® Deep Impact Socket, 1/2" Sq. Dr., 21mm