The Bahco S138 is a comprehensive 138-piece combination drive socket and tool set designed for professional mechanics and engineers requiring a versatile metric and imperial fastening solution. This extensive set combines three drive sizes (1/4in, 3/8in, and 1/2in) with a wide selection of sockets, screwdriver bits, crow foot spanners, and combination spanners to tackle virtually any fastening application. Supplied in a durable high-density polythene case for organised storage and transportation, the set features three reversible ratchets with 60-tooth mechanisms for precise work in confined spaces. The 1/4in drive section includes 12 standard hexagon sockets, 10 deep sockets, and a flexible extension bar ideal for accessing awkward fasteners. The 3/8in drive range encompasses 16 metric sockets plus three spark plug sockets, making this set particularly suitable for automotive and plant maintenance work. The 1/2in drive selection offers exceptional versatility with 18 metric sockets ranging from 10mm to 34mm and nine imperial sockets from 3/8in to 1.3/16in, providing the torque capacity required for heavy-duty applications. The comprehensive screwdriver bit selection includes Pozidriv, Phillips, flat, insert, and TORX variants, while the inclusion of eight crow foot wrenches and 13 combination spanners (7-19mm) ensures you have the right tool for restricted access situations where conventional sockets cannot be used. Features and Benefits: • Three drive sizes (1/4in, 3/8in, 1/2in) cover light to heavy-duty applications • 60-tooth reversible ratchets enable fine control in tight working spaces • Metric and imperial socket range suits diverse equipment and machinery • Spark plug sockets included for automotive and engine maintenance • Crow foot spanners provide access where standard sockets cannot reach • High-density polythene case keeps tools organised and protected • Universal joints and extension bars enhance accessibility to awkward fasteners Specifications: Metric/Imperial: Metric Set Type: Mixed