Draper 33 piece magnetic bit holder set draper 82386 1 4 bits manufactured from crv 6150 steel hardened and tempered with a shot blast finish bit holder from zinc alloy steel hardened and tempered with the bit holder female hexagon brass chrome plated display packed in plastic dispenser br br b b br br pz type products are compatible with pozidriv 174 supadriv 174 fixing systems br draper tx star products are compatible with 134 torx fixing systems br pozidriv 174 sup