Drop-forged Chrome Vanadium steel sockets, hardened and heat treated with a fully polished mirror finish. S2 Steel hex bits with a blackened finish for resistance to corrosion. Sockets include 2mm hex setscrew allowing easy replacement of individual bits. Supplied on socket rail. Features & Benefits:Drop-forged Chrome Vanadium steel sockets, hardened and heat treated with a fully polished mirror finish.S2 Steel hex bits with a blackened finish for resistance to corrosion.Sockets include 2mm hex setscrew allowing easy replacement of individual bits.Contents: 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 10, 11mm.Supplied on socket rail.Lifetime guarantee*.Model No. AK62251 Specifications: Model No AK62251 Brand: Premier Contents: 38mm Hex Socket Bits; 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 10, 11mm Drive: 1/4"Sq Nett Weight: 0.29kg