The wera 8000 c sb zyklop ratchet is square frac12quot drive and has a rotating mass design and a handy free wheel sleeve for faster work progress there is a swivelling ratchet head which lock positions can be changed from 0deg 15deg 90deg right and left at 0deg as well as having the ability to be used as a conventional screwdriver it has a return angle of 5deg and a simple push button release there is a fine pitched tooth design and a multicomponent kraftform handle fo