General description Expert Quality 7-piece Draper TX-STAR® security socket bit set, designed for durability and performance. Each socket is 100mm long and manufactured from hardened and tempered chrome vanadium steel, featuring sand blasted bits made of S2 silicon steel. The set includes a knurled ring on each socket for enhanced grip and is supplied on a steel socket retaining rail for easy organization. Technical specifications Number of pieces: 7 Socket length: 100mm Material: Hardened and tempered chrome vanadium steel Bit material: S2 silicon steel Other information Display packed