This combination wrench is made with forged chrome vanadium steel with a sand blasted surface and chrome plating. Designed to meets high industry standards in Japan, Europe and the US, this wrench offers high strength and durability . The 12-point design on the box end ensures screws and nuts are gripped securely on the sides, thereby prevents the vertices from being rounded or stripped. A 15 degree angle on the open end makes working in tight spaces possible. Jetech is a leading manufacture in professional tools. These wrenches come in various sizes, and single / multi pack variations. Choosing the right size of your wrench ensures the highest working efficiency and protects the screws and nuts.