Reeds Heavy Duty Square Drive Ratchet Wrenches are great for ratcheting line-up clamps for welding steel pipe and for other process piping needs. Certain valves require square drive ratchet wrenches, and the ratchet and reverse option speeds up jobs. Reed Hand Tools are for the professional trade and are warranted against all failure due to defects in workmanship and materials for the normal life of the tool.