Draper pz mechanics screwdriver draper 19537 satin chrome plated chrome vanadium steel round 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 reversepz type products are compatible with pozidriv174supadriv174 fixing systemspozidriv174supadriv1