• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.• 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: 6, 7, 8, 10, 12, 14, 17, 19mm.• Supplied on socket rail.• Lifetime guarantee*.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.• 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: 6, 7, 8