DURABLE: FACOM screwdriver set – ProTwist – 13 pcs – ATWH.J13 designed by in-line heat treatment for twice the lifespan. The InchTri-coating treatment of the blade allows 4 times greater corrosion resistance, the perfect solution when using these screwdrivers on a daily basis COMFORT: The sleeve handle uses SoftGrip technology for greater comfort during use ERGONOMICS: Optimization of the handle: 10 percent of torque OPTIMIZATION: Better adaptation of the screw by increasing torque transfer and reducing wear GUARANTEE: At FACOM, we not only offer you a wide range of professional quality DIY products, we support them with excellent customer service., Manufacturer: FACOM