The specification and size of roofing nails:8G 2", 4.19mm (dia.), 20mm (map dia.), 51.2mm (length)8G 2.5", 4.19mm (dia.), 20mm (map dia.), 64.0mm (length)8G 3", 4.19mm, 20mm, 76.2mm9G 1.5", 3.85mm, 20mm, 38.4mm9G 2", 3.85mm, 20mm, 51.2mm9G 2.5", 3.85mm, 20mm, 64.0mm9G 3", 3.85mm, 20mm, 76.2mm10G 1.75", 3.4mm, 20mm, 44.5mm10G 2", 3.4mm, 20mm, 51.2mm10G 2.5", 3.4mm, 20mm, 64.0mm10G 3", 3.4mm, 20mm, 76.2mm11G 1.75", 3.15mm, 18mm, 44.5mm 11G 1.5", 3.15mm, 18mm, 38.4mm11G 2", 3.15mm, 18mm, 51.2mm 11G 2.5", 3.15mm, 18mm, 64.0mm 12G 1.75", 2.80mm, 18mm, 44.5mm12G 1.5", 2.80mm, 18mm, 38.4mm 12G 2", 2.80mm, 18mm, 51.2mm 12G 2.5", 2.80mm, 18mm, 64.0m13G 1.75", 2.38mm, 14mm, 44.5mm 13G 1.5", 2.38mm, 14mm, 38.4mm 13G 2", 2.38mm, 14mm, 51.2mmSurface treatment: zinc plated, self-color, etc.Packing: Gunny bag, paper carton, paper carton and inner carton, wood carton, or according to your requ
spring hooks