The bahco s103 103 piece socket screwdriver bit and spanner set is a comprehensive tool collection designed for professional tradespeople and serious diy enthusiasts. This extensive mixed set combines sockets, spanners, bits and accessories in a single organised carry case, providing the essential tools needed for general maintenance, automotive work and engineering tasks. Manufactured by bahco, a trusted name in professional hand tools, this set features both 1 4 inch and 1 2 inch square drive systems. The generous socket selection includes standard and deep sockets across popular metric sizes from 4mm up to 34mm, complemented by dedicated spark plug sockets for automotive applications. The comprehensive bit collection covers phillips, pozidriv, torx and hex profiles, whilst the included metric spanners range from 7mm to 19mm. The set includes multiple ratchets and screwdriver ratchets in both 150mm and 250mm lengths, providing versatility for working in confined spaces or applying greater leverage when needed. Universal joints, extension bars and a magnetic extension bar enhance accessibility in awkward locations. The practical carry case features size identification printed directly on the tray, enabling quick tool selection and helping maintain organisation on site. Features and benefits bull 103 piece comprehensive tool selection eliminates the need for multiple separate sets bull organised carry case with printed size identification for quick tool selection bull includes both standard and deep sockets for improved fastener access bull multiple ratchet options in two lengths for versatility across different applications bull spark plug sockets included for automotive and small engine work bull universal joints and extension bars for accessing hard to reach fasteners contents bull 17 x 1 2in square drive sockets 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 27, 30, 32 and 34mm bull 6 x 1 2in square drive deep sockets 10, 13, 16, 17, 18 and 19mm bull 12 x 1 4in square drive sockets 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11 and 13mm bull 6 x 1 4in square drive deep sockets 7, 8, 9, 10, 11, 12, and 13mm bull 2 x 1 2in spark plug sockets 16 and 21mm bull 3 x 1 4in phillips bits ph1, ph2 and ph3 bull 3 x 1 4in pozidriv bits pz1, pz2, and pz3 bull 9 x 1 4in torx bits 6, 8, 9, 10, 15, 20, 25, 30 and 40 bull 6 x 1 4in hex bits 3, 4, 5, 6, 7 and 8 bull 3 x 5 16in torx bits 45, 50 and 55 bull 2 x bit holder 1 4 and 1 2in bull 2 x universal joint 1 4 and 1 2in bull 2 x ratchet 1 4in 150mm, 1 2in 250mm bull 2 x screwdriver reversible ratchet 1 4in 150mm, 1 2in 250mm bull 1 x 1 4in bit ratchet bull 1 x 1 4in square bit adaptor bull 1 x 1 4in hex magnetic extension bar bull 13 x metric spanner 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 specifications metric imperial metric set type mixed 3 x extension bar 1 4in 100mm, 1 2in 125 and 250mm