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Related to ratchet screwdriver: spiral ratchet screwdriver
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|Noun||1.||ratchet screwdriver - a screwdriver with a ratchet (so the blade turns in only one direction) and a spiral in the handle (so the blade rotates) with downward pressure on the handle|
rachet, ratch, ratchet - mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
screwdriver - a hand tool for driving screws; has a tip that fits into the head of a screw