Tool-set for tightening or loosening screws and nuts

摘要

The tool-set consists of a handgrip (3), a tool head (10) to hold screw or nut, and a mechanical connection between the two. This contains an angled part (1), formed as a worm drive. The worm (7) of the part is in drive connection with the handgrip, and the worm gear (8) of the part is in drive connection with the tool head. The handgrip is a ratchet, and the worm has a coupling for connection of the ratchet or of an extension (2). The worm gear has a coupling for connection to the tool head.