This Wera 8790 HMC Zyklop socket is sized at 13/16" with a 1/2" drive, suitable for larger imperial hexagon fasteners encountered in engineering and mechanical assembly work. It performs reliably in both manual and machine applications, with knurling at the lower end for a confident grip and a ball stop groove to secure the fastener throughout the operation. Wera's colour-coded system makes selection quick and straightforward. Features and Benefits: • Suitable for manual and power tool operations (non-impact) • Knurled lower end for slip-proof grip • Ball stop groove for fastener retention • Colour coding by size for quick identification • Matt chrome-plated chrome-vanadium steel Contents: 8790 HMC Zyklop socket with 1/2" drive, 13/16" x 37 mm Specifications: • Configuration: 1/2" • Size: 13/16"