Excellent quality, this RAC socket set is suitable for all automotive, DIY and engineering applications. Contents are 12 chrome vanadium steel sockets 10,11,12,13,14,15,16,17,18,19,22,24mm. 3 deep sockets 13, 17, 19mm. The 5 accessories are a Ratchet, extension bar, 16mm spark plug socket, universal joint and 3 way adaptor. This comes in a handy carry case. Socket set. Size H7, W32, D25cm. Weight 2.37kg. Includes 20 pieces. Accessories included: Ratchet, extension bar, spark plug socket, universal joint and 3 way adaptor. Carry case included.