... pin,dowel pin,stainless steel pin Copper Connector Pin, Brass Pin, Copper Plug - Detailed info for Copper Connector Pin ... PlugDescriptionAll of pen tips are made by CNC AUTO LATHEMaterialCopper, Brass, Stainless Steel, ect.DimensionAs per customers’ drawings (AUTO CAD ... )Surface Treatment18K, 24K, Nikel, Chrome plated with black, golden, silver and so onPackingOne small zip lock bag per piece, twenty ...