... price 4:JIS,DIN,AISI standards PUNCH BLANKS with TAP HOLE -STANDARD PARTS/Punch Tool Dongguan Yukai Precision Mold Co., ... , auto mold, medicine mold, semiconductor mold, LED & semiconductor parts' supplementary materials, factory automation components, printer shaft and so on ... packing: packed by sponge or packed by vacuum plastic bags with anticorrosive oil. . Out packing: cartons or upon customers' ...