... ,stainless steel pin Copper Connector Pin, Brass Pin, Copper Plug - Detailed info for Copper Connector Pin, Brass Pin, Copper ... Plug,connector pin,Copper Connector Pin, Brass Pin, Copper PlugDescriptionAll of pen tips are made by CNC AUTO LATHEMaterialCopper, ... Brass, Stainless Steel, ect.DimensionAs per customers’ drawings (AUTO CAD will be better)Surface Treatment18K, 24K, Nikel, Chrome ...