The Draper 63406 screwdriver set features a chrome vanadium steel manufacture with the added benefit of being hardened and tempered for additional strength. Completing this set is suitability to be used in both Draper and Draper Expert tool chests. Included in this set: Plain Slot Screwdrivers 3.2 x 75mm, 5 x 100mm, 6 x 38mm, 6 x 150mm and 8 x 150mm Cross Slot Screwdrivers No. 1 x 75mm, 2 x 100mm, 3 x 150mm PZ Type Screwdrivers No. 0 x 75mm, 1 x75mm, 2 x 38mm and 2 x 100mm Draper TX-STAR® Screwdrivers T7, T8, T9 Draper TX-STAR® Security Screwdrivers T10T, T15T, T20T, T25T, T27T, T30T and T40T Precision Screwdrivers Plain Slot Screwdrivers 2.5mm x 50mm and 3mm x 50mm Cross Slot Screwdriver No. 0 x 50mm, 00 x 50mm and 000 x 50mm