... 2) Material:Steel, Iron, PP 3) Diameter:8-10mm Dowel nail for Heat Preservation System 1) Standard: DIN, ISO, JIS, GB2) Material ... point9) Finish: plain, zinc, black phosphated, grey phosphated, nickel, dacroment10) Packing: box, carton, bag, pallet Contact information:Yuyao Megas Fastener Co., LtdNingbo ...