Made Of Height Quality Alloy Steel Material, Strong Hardness, Save Time And Effort. Non-Slip Handle, Accord With Human Body Engineering, More Efficient To Operate. Strong Spring, Make You Can Adjust The Force Of The Stretch And Very Durable. With Hexagon Spanner, Easy To Remove And Replace The Accessories. Heavy duty design, professional tool. The use of high-quality aluminum die-casting body, not rust, long life, more convenient, more effort. Tip parts of high temperature processing, super durable. Strong spring, free stretch. The handle is ergonomically designed for comfortable grip.