1. Material: Stainless steel wire 316, 204,201,200CU 2. Size: L 10mm to 150mm, D 1.8 to 4.5mm 3.Flat Head or Umbrella Head galvanized roofing nail with umbrella head1. Material: Stainless steel wire SUS304, 316, 204,2012. Head: oval,loose head, flat3.Shank: smooth, twist, ring4. Diameter: 1.9 mm to 6.0mmgalvanized roofing nail with umbrella headStainless steel nail is a very popular products all ...