Ratchet screwdriver shank with universal joint comprises a handle with a prior art reversible ratchet mechanism at one end of the tool and a shank, screwdriver shank top end especially incorporates a universal joint

摘要

A ratchet screwdriver has a handle with a prior art reversible ratchet mechanism at one end of the tool and a shank. The screwdriver shank top end esp. incorporates a universal joint.