The 8-piece combination wrench package contains the most important 8, 10, 11, 12, 13, 14, 17, 19 mm and a rack to meet the requirements of different work. High quality chrome vanadium steel that meets and even exceeds ANSI standards for our tools, so the wrench tool set can withstand high torque and heavy jobs. Unique patented design with ergonomic spiral handle optimises torque efficiency and increases power. Special angular design at the tip allows full range of motion and maximizes efficiency. The 12-point box end doubles the access angle compared to a 6-point end, and the 15-degree offset at the open end allows for a larger arc swing range, providing better accessibility for reaching narrow-spaced nuts with the recessed ring head that assists the user in performing tasks in tight spaces. High quality chrome vanadium steel that meets and even exceeds ANSI standards for our tools, so the wrench tool set can withstand high torque and heavy jobs. MADE IN TAIWAN: Quality guaranteed with limited lifetime warranty. This is an essential metric wrench set for mechanics, home improvement projects, collectors and engineers.