The Bahco S877 Socket Set includes 1/4in and 1/2in square drive sockets and combination spanners with dynamic drive profile. The set is supplied in a three component impact and oil resistant case with removable tool rack for the combination spanners. Contains: 12 x 1/4in Hex Metric Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 & 13mm12 x 1/4in Hex Deep Metric Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12 & 13mm15 x 1/2in Hex Metric Sockets 10, 12, 13, 14, 15, 16, 17, 18, 20, 21, 23, 24, 27, 32 & 34mm.9 x 1/2in Hex AF Sockets: 3/8, 7/16, 1/2, 9/16, 11/16, 3/4, 13/16, 7/8 & 1 3/16in AF.4 x 1/2in Hex Impact Sockets 17, 19, 21 & 24mm.4 x 1/4in Phillips Bits: PH1, PH2, PH3 & PH4.3 x 1/4in Slotted Bits: 4, 5.5 & 7mm.6 x 1/4in Hex Bits: 3, 4, 5, 6, 8 & 10mm.2 x 1/4in Extension Bars: 50 & 100mm.1 x 1/4in 100mm Sliding T-Bar.1 x 1/4in Universal Joint, 1 x 1/2in Universal Joint.1 x 1/4in Spinner, 1 x 1/4in Reversible Ratchet.2 x 1/2in Extension Bars 125 & 250mm.1 x 1/2in Spark Plug Socket: 2