Draper plain slot mechanics screwdrivers draper 19527 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 19527 5mm x 75mm plain slot mechanics screwdriver