Comprehensive socket and bit set in 1/4"DIdeal pocket or glove box tool kitSockets and accessories manufactured from Chrome Vanadium 10 x Single Hex Sockets: 5.5/6/7/8/9/10/11/12/13/14mm 1 x Universal more→joint 2 x Extension bars: 50mm and 100mm 1 x Coupler 1/4"D to 1/4" Hex22 x Screwdriver bits manufactured from S2 material: Ph1, Ph2, Ph2, Ph3, Flat 3mm, 4mm, 5mm, 6mm, Pz1, Pz2, Pz3, Hex 3mm, 4mm, 5mm, 6mm, Star T10, T15, T20, T25, T27, T30, T40 Bits are supplied in spring loaded bit holders for ease of useIncludes 1/4"D ratchet with 72 teeth and driver