... .5" ,BWG12X2" 2.Umbrella or Flast head 3.Package:25kgs/ctn, 7lbsx16box/case umbrella head roofing nails 1) Dia: BWG8~BWG132) Size ... ~ 75mm (1"~3")3) Material: iron wire material4) Description: umbrella head, smooth body, twist body5) Surface treatment: electric galvanized or hot ... ,common nails,concreate nails and so on.Please feel free to contact me,I will supply low price and good quality ...