72 TEETH REVERSIBLE QUICK RELEASE STUBBY RATCHET WRENCH(WAVE SHAPE HANDLE), 1/4" DR. Size: 1/4" DR., length: 106mm Reversible 72 teeth head, the quick-release reversible head, replaced the socket by touching the middle part, and changed the driving direction by flipping the biased drive switch 1/4" drive ratchet is used for disassembling small screws such as furniture and household appliances.