Alloy steel material Adjustable head style with wide opening Mode needle - Lightweight, short handle with wide opening for maximum versatility. < p>- Forged chrome vanadium steel construction. Conforms to ANSI specifications. - Precision dryer, flexible and efficient, round hanging hole, easy to carry. - Wider contact area, stronger, more reliable and non-slip between the jaws and the nut< /p> - Suitable for sanitary maintenance, mechanical maintenance, car maintenance, tube nut maintenance in confined spaces