The Draper 63406 screwdriver set features a chrome vanadium steel manufacture with the added benefit of being hardened & tempered for additional strength. Completing this set is suitability to be used in both Draper & Draper Expert tool chests. Included in this set: Plain Slot Screwdrivers 3.2 x 75mm, 5 x 100mm, 6 x 38mm, 6 x 150mm & 8 x 150mm Cross Slot Screwdrivers No. 1 x 75mm, 2 x 100mm, 3 x 150mm PZ Type Screwdrivers No. 0 x 75mm, 1 x 75mm, 2 x 38mm & 2 x 100mm Draper TX-STAR Screwdrivers T7, T8, T9 Draper TX-STAR Security Screwdrivers T10T, T15T, T20T, T25T, T27T, T30T & T40T Precision Screwdrivers Plain Slot Screwdrivers 2.5mm x 50mm & 3mm x 50mm Cross Slot Screwdriver No. 0 x 50mm, 00 x 50mm & 000 x 50mm