Expert Quality, six point socket made from chrome vanadium steel that's hardened and tempered with a micro satin finish. Each socket has a knurled ring for extra grip. Supplied with a 72 tooth reversible soft grip ratchet and accessories. Packed in a tough plastic storage case with soft grip handle. Manufactured and tested generally in accordance with DIN3122 and ISO3315 Specifications Features and BenefitsExpert Quality22 metric sockets11 deep metric sockets14 imperial sockets6 deep imperial sockets3 spark plug sockets7 accessoriesChrome vanadium steel hardened, tempered, satin chrome plated for corrosion protection Contents 22 x Metric socket: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32mm 11 x Metric deep socket: 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 22mm 14 x Imperial socket: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1.1/16, 1.1/8, 1.3/16" 6 x Imperial deep socket: 7/16, 1/2, 9/16, 5/8, 11/16, 3