With everything you need to get going, this Stanley 40 piece socket set is awesome value. Kept safe in a bright, yellow metal case, this Stanley kit comes complete with a t-bar, ratchet and extensions, all in 1/2" drive. The set also offers a huge range of sockets in both SAE and metric standards, in much larger sizes than are commonly found in basic kits. Manufactured from chrome vanadium steel and coated in easy to clean high polish chrome for superb corrosion and abrasion damage resistance. Contents: 1/2 drive Metric sockets: 10-19, 21, 22, 23, 24, 26, 27, 30, 32mm 1/2" SAE sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1/16, 1-1/8,1-3/16 and 1-1/4" 1/2" spark plug socket: 13/16 1/2" socket accessories: ratchet, t-bar, extensions 75, 125, 250mm, universal joint