... :Metal, PP Diameter:8-10mm Dowel Nails for Heat Presservation System 1) Standard: DIN2) Material: steel, PP(Plastic), iron3) Diameter: 8 ... point9) Finish: plain, zinc10) Packing: box, carton, bag, pallet Contact information:Yuyao Meigesi Fastener Co., LtdNingbo Rhino Import & Export Co.,Ltd ...