Product Code: 16331 4 Draper TX - STAR® socket bits, 100mm long. All socket manufactured from hardened and tempered chrome vanadium steel with sand blasted bits of S2 silicon steel. Each socket has a knurled ring for extra grip. Supplied on a steel socket retaining rail. Draper TX-STAR® products are compatible with †Torx fixing systems. †Torx is the registered trademark of Acument Intellectual Properties LLC.