1.Length: BWG7-14 2.Diameters: 0.9mm-6.0mm 3. Finishes: Galvanized,Hot dipped galvanized 4. Material:Q235 or Q195 Roofing felt nails : 1.Diameter: 2.0mm-6mm 2.Length: 1''-6''(25mm-152mm)3.Material: Q195 Q2354.Shank: Smooth, Drive screw,5.Finish: Bright, E.G., H.D.G 6.Packing: bulk 25kgs/carton, 1kg/small box,25boxes/carton or according to your requirements