Sealey sa6002 air impact wrench 1 2in sq drive twin hammer sealey sa6002 new twin hammer design gives this wrench from sealey a high torque output making it suitable for jobs that would normally require a 3 4in impact wrench composite casing with soft grip makes the tool lighter easier to handle and helps reduce vibration and chill suitable for heavy tyre shop use sealey sa6002 air impact wrench 1 2 sq drive twin hammer