This is a professional quality 1/2″ drive air impact wrench.It is designed for the motor industry and is ideal for use with cars and heavy commercial vehicles.With it being operated by compressed air, it makes it perfect for busy workshops, garages, body shops, and tyre fitting shops.Specifications:Maximum torque: 230ft. lbs.Bolt capacity:5/8″1/2″ Square driveReversible drivePSI: 90RPM: 70001/4″ air inletCE Approved.