Wera 05003640001 8795 c zyklop universal joint 1 2in drive wera 05003640001 this zyklop universal joint from wera is made from chrome vanadium chrome molybdenum with a brushed chrome plated finish it has a 1 2in square drive socket with a ball lock wera 05003640001 8795 c zyklop universal joint 1 2in drive