Expert Quality, 7 Draper TX - STAR® ; security socket bits, 100mm 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: T40, T45, T50, T55, T60, T70, T80