... ,BWG12X2" 2.Umbrella or Flast head 3.Package:25kgs/ctn, 7lbsx16box/case roofing nail with umbrella head 1) Dia: BWG8~BWG132) Size ... Material: iron wire material4) Description: umbrella head, smooth body, twist body5) Surface treatment: electric galvanized or hot dipped galvanized6) Packing: 20kg ... feel free to contact me,I will supply low price and good quality to you roofing nail with umbrella head