Torx socket set. The set is carefully and precisely manufactured from high-strength chrome-vanadium steel (CrV), which significantly increases their durability and service life. The set will be useful in any professional car workshop, as well as in the home garage. Chrome vanadium steel (CrV steel) is a special type of steel mainly used in Europe. Used to make tools such as wrenches and drills. In the case of this type of steel, its hardness is increased by the use of chromium and vanadium as alloying additions. Chromium guarantees the steel's resistance to corrosion, oxidation, friction and high durability at high temperatures. 1/2" Socket sizes: E10 E11 E12 E14 E16 E18 E20 E22 E24