Size: as your require color:black,silver,etc Material:stainless steel,carbon steel,brass,copper,iron,etc Features:1) Model: SX-01 2) Size: 4.5mm,or as your requirement3) Material: steel,brass,copper,zinc alloy,aluminium alloy4) MOQ: 1000pcs5) Any color depends on the customers' requirement6) Customers' designs are accepted7) Timely delivery guaranteed8) Quality approvals9) Up to 30% of our ...