Ratchet Handle 1/2" Quick Release TVARDY manufactured from chrome vanadium for increased durability. 72 teeth ratchet mechanism provide 5° ratcheting increments making it ideal for use in the tightest spaces. Square drive adaptor with ball lock. Product Features Square 1/2" drive adaptor with ball lock Fine gearing 72 teeth ratchet mechanism Reversible & Quick release function Ejection mechanism on the ratchet head Ergonomic soft-grip handle