Teng tools sockets are manufactured from strong chrome vanadium steel in accordance with iso9000 and as954 they provide excellent torque whilst reducing the risk of rounding fasteners the tentt3819 38 inch drive socket set comprises 13 regular 6 point sockets and accessories supplied in a storage tray this 19 piece set contains the following13 x 38 inch drive regular 6 point sockets 8 9 10 11 12 13 14 15 16 17 18 19 and 22mm1 x 38 inch drive pro teng ratchet1 x 38 inch drive universal joint1 x 3