... experience. DescriptionAll 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 ... inquiry. We will reply you within 24 hours. milling parts,flour milling machine spare parts,progressive milling part,milling cutter ...