We have six year's export experience ,we will meet your multiplicate demand and simplify your purchase. Size: All sizes are available Standard: DIN. BS. JIS. GB.ASTM Material: brass,Mild Steel,carbon steel,sus304,sus316 and so onFinish: plain,black,zinc,HDG and so on Packing : Export Packing (Carton/ Pallet).also according to customer`s requirement. special fastener