Product Name: Coil Roofing Nails, Stainless Steel, #304 or #316 Model NO.: CRNSS Head Type: Round Surface Treatment: Without Treatment Connection: Welding Material: Stainless Steel Standard: JIS, BSW Transport Package: Cartons and Pallets Specification: 25mm, 30mm, 35mm, 40mm, 50mm HS Code: 73170000 Product Description Coil Roofing nails,made by Stainless Steel wires, wire grade can be #304(A2) or #316(A4)The sizes range are:diameter of nails can be 2.8 up to 3.05mm, customer request is workable.,head of nails can be 8mm-10mm according to customer request.Length reange from 25mm up to 50mmPackage 120coil nails per coil,60coils per carton, also small package is workable.