Socket Bi-Hex 1/2in Drive 20mmC.K Sure Drive Socket 1/2" Drive 20mm~ Forged Chrome Vanadium steel for superior strength & durability~ Non slip, satin chrome plated for resistance to rust & peeling~ C.K Sure-drive system applies torque to the flat of the nut rather than the corners to avoid rounding off~ Drive: 1/2"~ Size: 20 mmTechnical Specification:CE Certified: NoConflict Materials Content : NoREACH Content Status SVHC Free or Contains SVHC: SVHC freeRoSH Regs Within Scope: NoBatteries Included: NoBattery Powered: NoCharger Included: NoMains Powered: NoDimensions: Length: 27mm x Height: 38mmWeight: 0.075KgWarranty: 12 months. C.K products are guaranteed for 1 year against imperfect materials or workmanship. Damage caused through normal wear and tear or resulting from inappropriate use, is not covered.