Draper storm force composite air impact wrench kit 1 2in sq drive draper 83422 p this air impact wrench kit from the draper storm force range is made from a lightweight composite plastic which delivers low noise and low vibration making it ideal for workshop use p p the set includes a 1 2in air impact wrench and a range of sockets in metric sizes and other accessories p draper 83422 storm force composite air impact wrench kit 1 2 square drive