Stahlwille 58221041 41mm Ring Insert Tool - 22mm x 28mm Mount

41mm ring insert tool for torque wrenches with a 22mm x 28mm rectangular drive.Fixes to the torque wrench by a security pin.Features a bi-hex profile.Made from nickel which has been drop forged, then hardened and cooled in an oil bath before getting a chrome plating, making this torque wrench ring insert tool durable and chip resistant.