General description A comprehensive screwdriver set that includes ratcheting and precision screwdrivers, a bit holder, and a wide range of bits. This set features Phillips, Flat, Star*, and Tamperproof Star* bits, along with 9 metric 1/4" D sockets and an adaptor. The ratchet screwdriver conveniently stores bits in the handle, while the slimline bit holder and precision screwdriver are ideal for smaller fixings. The set is supplied in a handled storage case for safe and organized storage. Technical specifications 15-in-1 ratchet screwdriver with storage for double-ended bits in the handle 4-in-1 precision screwdriver 4-in-1 precision bit holder Bit sizes: Phillips: Ph0, Ph1, Ph2 x2, Ph3 Flat: 3.5, 4, 5.5, 6mm x2 Star*: T15, T20, T25, T30 9x 1/4" D Hex sockets: 5, 6, 7, 8, 9, 10, 11, 12, 13mm 1/4" D adaptor Precision screwdriver bit sizes: Phillips: Ph000, Ph0; Flat: 1.5, 2.5mm 4-in-1 precision bit holder sizes: Tamperproof Star*: T7H, T8H, T10H, T15H Sockets manufactured from Chrome