The superiority of Bahco sockets is the result of exacting tolerances as well as extraordinary high resistance to wear.The Bahco SL79 1/4in 1/2in Drive Swivel Socket Set is supplied in an oil and temperature resistant polypropylene case.DIN 3120/ ISO1174.Finish: matt chrome-platedMaterial: chrome vanadium.The set includes the 31 Piece 59/S31 25mm Bit Set.For full contents see specifications tab.11 x 1/4in Hex Sockets: 4, 4.5, 5, 5.5, 6, 7, 8, 10, 11, 12 13mm1 x 1/4in Drive Slim Head Ratchet Handle2 x 1/4in Extension Bars: 75mm 150mm1 x 1/4in Spinner Handle: 150mm1 x 1/4in Drive x 1/4in Hex Coupler14 x 1/2in Hex Sockets: 10, 11, 12, 13, 15, 16, 17, 18, 19, 21, 22, 23, 24 27mm1 x 1/2in Drive Slim Head Ratchet Handle2 x 1/2in Extension Bars: 125mm 250mm1 x 1/2in x 3/8in 3-Way Adaptor1 x 31 Piece 59/S31 25mm Bit Set containing:5 x 25mm Pozi Bits: PZ1, PZ2(3) PZ35 x 25mm Phillips Bits: PH1, PH2(3) PH32 x 25mm Slim Phillips Bits: PH2G(2)11 x 25mm TORX Bits: TX10, TX15(3), TX20(3), TX25(2), TX27 TX303 x 25mm Slotted Bits: 3, 4.5 5.5mm4 x 25mm Hex Bits: 3, 4, 5 6mm1 x 25mm Magnetic Bit Holder2 x 50mm Pozi Bits: PZ1 PZ22 x 50mm Phillips Bits: PH1 PH26 x 50mm TORX Bits: TX10, TX15, TX20, TX25, TX27 TX304 x 50mm Hex Bits: 3, 4, 5 6mm