Bits wear out, screwdrivers chip and break ... a stoppage of work to find one in your consumables drawer. 7-Piece Stubby Ratcheting Metric Wrench Set A standard wrench set is non-negotiable ...

A wheel provided with suitably shaped teeth, receiving an intermittent circular motion from an oscillating or reciprocating member, is called a ratchet wheel. A simple form of ratchet mechanism is ...