Compact, right angled & low Profile - only 22mm with The bit fitted Gets into conne and restricted spaces where other screwdrivers can't go! Built-in ratchet mechanism (rotational direction set via a lever) Quick ratchet dial' (Allows rapid screw tightening using your finger & thumb - increases productivity) Accepts standard 6.35mm (1/4") Hex shaft bits (single or double ended), Weight: 0.1763698096 pounds, Manufacturer: engineer inc.