The BlueSpot Tools 1/2in & 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: 18 x 1/2in Sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30 and 32mm. 4 x 1/2in Deep Wall Sockets: 14, 15, 17 and 19mm. 2 x 1/2in Spark Plug Sockets: 16 and 21mm. 1 x 1/2in Quick Release Ratchet Handle. 2 x 1/2in Extension Bars: 5in and 10in. 1 x 1/2in Three Way Adaptor. 1 x 1/2in Universal Joint. 1 x Coupler 1/2in x 5/16in (8mm) . 13 x 1/4in Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 and 14mm. 8 x 1/4in Deep Wall Sockets: 6, 7, 8, 9, 10, 11, 12 and 13mm. 1 x 1/4in Quick Release Ratchet Handle. 2 x 1/4in Extension Bar: 2in and 4in. 1 x 1/4in Sliding T Bar. 1 x 1/4in Spinner Handle. 1 x 1/4in Universal Joint. 1 x 1/4in Flexible Extension Bar 150mm. 2 x 30mm Phillips Bits: PH3 and PH4. 2 x 30mm Pozi Bit