Stahlwille 58218055 55mm Open End Shell Tool - 24.5mm x 28mm Mount

55mm open ended shell tool for torque wrenches with a 24.5mm x 28mm rectangular drive.Fixes to the torque wrench by a security pin.Made from nickel which has been drop forged, then hardened and cooled in an oil bath before getting a chrome plating, making this open end torque wrench shell tool durable and chip resistant.