Roofing Nails Size: 9GX2.5'',10GX2.5'',12GX2'' Packing:8boxes/carton.16boxes/wooden case Shank: Smooth,twisted SONCAP,CTN Roofing NailsProduct Description1) Product name: umbrella head roofing nail 2) Size:SpecificationTwisted or Plain Cap Diameter9Gx 2-1/2,2,3''Twisted or Plain 20mm10G x 2-1/2,2''Twisted or Plain 20mm12G x 2,1-1/2''Twisted or Plain 18mm13G x 1-3/4,2,1-1/2''Twisted or Plain 15mm3 ...