Wera 8790 HMA Zyklop 1/4″ – Socket 12mmm. Manual and power tool socket insert (ISO 2725-Part 3) allows applications both in manual as well as power tools. “Take it easy” Tool Finder with color coding according to size – for simple and rapid accessing of the required tool. Featuring a good grip to allow easy pick-up even with oily hands. Ball stop groove for hex head bolts and nuts; chrome vanadium steel matt chrome-plated.