Expert Quality, 7 Draper TX - STAR® ; Plus socket bits, 55mm long. All sockets 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. Display packed. Contents: 7 x Socket bits: TP40, TP45, TP50, TP55, TP60, TP70, TP80 Draper TX-STAR® ; products are compatible with †Torx fixing systems