A master set of 10mm sockets in a range of profiles, styles and lengths to suit a wide variety of applications. 1/4"D x 10mm x single Hex (6pt) sockets: standard, deep, universal joint (Bi-Hex).3/8"D x 10mm x single Hex (6pt) sockets: standard, deep, extra deep (120mm long), universal joint (Bi-Hex), difficult access, flexible crows foot. 2 x universal joints: 1/4"D, 3/8"D. Manufactured from chrome vanadium.