Draper 2 piece screwholding mechanics screwdriver set draper 27591 blades manufactured from carbon steel hardened and tempered with a push pull sleeve for holding and releasing screws this spring loaded device is ideal for use positioning screws in restricted locations square matt black handles manufactured from high impact plastic display packed br br b b br br pz type products are compatible with pozidriv 174 supadriv 174 fixing systems br pozidriv 174 supadriv 174 ar