Wera 05003638001 8794 lc zyklop long extension free turning sleeve 1 2in wera 05003638001 this long zyklop extension from wera is made from brushed chrome plated chrome vanadium and has an easy to grip free turning sleeve for the rapid tightening of screws and nuts this extension has a 1 2in square drive socket with a ball lock wera 05003638001 8794 lc zyklop long extension free turning sleeve 1 2in