16 in chrome side knob adjustable wrench. suitable for heavy duty applications. smooth movement and precision adjustment with the side knob system. 15° angled head for better accessibility. scale in mm for presetting and measurement precise larger, rounded handles for greater comfort high performance alloy steel forged in one piece chrome finish, precision hardened and anti-corrosion treated standards: iso 6787, din 3117, asme b107.8-2003 and bs 6333