Draper Tx-Star® Screwdriver Insert Bits & Keys In 1/2 Drawer EvaExpert Quality, socket bits, E socket and Draper TX STAR key set. The socket bits are manufactured from chrome vanadium steel and the bits are manufactured from S2 steel, all are correctly hardened and tempered with a satin chrome plated finish. The Draper TX STAR keys are manufactured from S2 Steel which is also correctly hardened and tempered with a satin chrome finish to prevent rust. Supplied complete in a two tone 1 2 drawer EVA insert tray made