... umbrella roofing nail 1) Product Specifications: 8G, 9G, 10G, 11G, 12G, 13G 2) Length: 1"---6". 3) Shank Diameter: M1.2-M6 umbrella ... dip galvanized7) Description: umbrella head, smooth body, twist body8) Package: Bulk packing; carton, bag, wooden box:9) Certification: ISO9001:200010) Min ... 2.510BWG*2.58BWG*49BWG*310BWG*3H.D.C roofing nail main parameterSpecification8BWG*1.59BWG*1.510BWG*1.758BWG*29BWG* ...