... :iron or steel length:2'',3'',4'',5'',6'',10'' roofing nails: We are the factory mainly produce all kinds of ... cost. Pls check the fully details as below: Roofing nails with screw thread Roofing nails without screw threadRoofing nails with screw threadspecifications8BWG ... .58BWG(4.19mm)×49BWG(3.76mm)×310BWG(3.4mm)×3 roofing nails without screw threadspecifications8BWG(4.19mm)×29BWG(3.76mm)×1 ...