Torque wrench micrometer style sealey premier stw701 manufactured from hardened and tempered chrome vanadium steel with a polished satin finish smooth action ratchet head with flip reverse easy to use torque adjustment locks when required setting is selected calibration tolerance in accordance with bs en iso 67892003 scales graduated in both nm and lbft wrenches are individually tested to standards with 4 accuracy and each wrench is issued with an individually numbered test certific