1.1600 Siding Nails in 4 Rolls: You will receive 4 rolls of 15 degree siding nail winding coils, 400 nails per roll, 1600 in total, enough for your daily use and replacement. Each nail is 0.083 inches in diameter and 1.5 inches in length, suitable for lathes and sheathing materials..2.High-strength Quality Material: The siding nails are forged from quality Q235 material, which has high tensile strength, toughness, strong corrosion durability, strong penetrating power, and good comprehensive performance, meeting various operational needs..3.Fine Craftsmanship: The surface of the nails is treated with electroplating and spray painting, polished and smooth. The nails are in tight connection, strong fastening force and neat arrangement. There is never cutting corners or shoddy during the production..4.Ring Shank Spiral Nails with Strong Penetration: The shanks of the nails are designed with threads, with clear spiral patterns and good penetration. The sharp threads can handle raw materials with high hardness and penetrate them easily, saving your time and energy..5. Wide Applications: These siding nails have strong performance which are not easy to get stuck in nailers and can be widely used in the nailing of floors, wooden boxes and thick wood, as well as the connection of cloth or leather on sofas in the furniture manufacturing.