Expert Quality, 9 sockets fitted with insert bits. 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: 9 x Sockets: H6, H7, H8, H9, H10, H12, H14, H17, H19