Sealey 3/4" Drive Hexagon Impact Socket Metric 3/4" 21mm

The Sealey 3/4" drive 21mm hexagon impact socket is tailored for medium-sized heavy-duty fasteners frequently encountered in commercial vehicle maintenance and industrial equipment servicing. This 21mm socket provides the ideal combination of drive power and fastener compatibility for demanding professional applications. Crafted from high-quality chrome molybdenum steel using drop-forged manufacturing processes, this 21mm impact socket offers exceptional strength and resistance to wear. The WallDrive® technology distributes force across the flat sides of fasteners, delivering superior torque transfer whilst protecting bolt heads from damage. Hardened and tempered for maximum resilience, it features a phosphate finish that provides excellent corrosion resistance in harsh working conditions. Engineered specifically for air impact wrench applications, this socket enables rapid, efficient work in busy workshop environments. The lifetime guarantee demonstrates Sealey's confidence in its pro