This 17mm Wera 8790 HMC Zyklop 1/2" drive socket is a go-to size for M10 and M12 hex fasteners, commonly encountered in automotive wheel and suspension work as well as general engineering. Features and Benefits: • For manual and power tool operations (non-impact) • Knurling at lower end for easy gripping with oily hands • Ball stop groove for secure drive retention • Colour-coded 'Take it easy' tool finder for quick size identification • Matt chrome-plated chrome-vanadium construction Contents: 8790 HMC Zyklop socket with 1/2" drive, 17 x 37mm Specifications: Socket Size: 17mm Overall Length: 37mm Drive Size: 1/2"