The BlueSpot Tools 1/2in, 3/8in & 1/4in Metric Socket Set. Manufactured from chrome vanadium for increased durability. Knurled sockets to provide a secure grip. Supplied in a sturdy plastic case with metal clips for quick and convenient storage. Contains: 10 x 1/4in Hex Metric Sockets: 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13mm.10 x 1/4in Hex SAE Sockets: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16 and 1/2in.4 x 1/4in Deep Wall Sockets: 8, 9, 10 and 11mm. 1 x 1/4in Extension Bar 2in.1 x 1/4in Universal Joint.1 x 1/4in Coupler.1 x 1/4in Spinner Handle.1 x 1/4in Quick Release Ratchet Handle. 7 x 25mm TORX Bits: T10, T15, T20, T25, T27, T30 and T40. 11 x 3/8in Hex Metric Sockets: 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19mm.9 x 3/8in Hex SAE Sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16 and 7/8in.4 x 3/8in Deep Wall Sockets: 13, 14, 15 and 17mm.8 x 3/8in E-Sockets: E8, E10, E11, E12, E14, E16, E18 and E20.2 x 3/8in Spark Plug Sockets: 16 and 21mm. 2 x 3/8in Extention Bars: 3i