1 inch long copper roofing nails are made from 99.95% pure high purity of copper, with an outstanding performance for any indoor & outdoor projects. It combines rust & corrosion resistance, making it widely used on rooftop, copper flashing roll, copper metal sheet. While many others use it for stump remover, tree root removal because of the properties of copper. Our 1 inch long copper nails with a 5/16” head and 0.120” round diameter, it is easy and solid to nail. Pre-drill a 1/16” pilot hole for best hammering results. offers a premium quality and cost-effective copper nails. Made From Pure Copper : copper nails are made from C11000 99.95% pure high purity of copper. It combines rust & corrosion resistance, making it a reliable choice for any outdoor projects. Roofing Nails Dimensions : 1 inch long roof nails with a diameter of 0.120”, and a head diameter of 5/16”. It is solid and thick enough to apply on roof, copper flashing, tree stumps, roots, etc. Multipurpose : Our copper roof nails is widely used on roofing, copper flashing roll, copper sheet, boat building, tree, stump, root, garden and many other decorative projects. Product Package : Each package comes with 110pcs premium copper nails with flat head, diamond point and round smooth shank. Installation : To prevent bending when hammering in, drill a 1/16" pilot hole for best results.