Draper cross slot mechanics screwdrivers draper 19534 satin chrome plated chrome vanadium steel blades hardened and tempered with sand blasted tip some sizes have a hexagon bolster which enables extra power to be obtained by use of a spanner square matt black handles manufactured from high impact resistant plastic display packed in individual storage hanger with barcode on reverse draper 19534 no 3 x 150mm cross slot mechanics screwdriver