100% pure copper nail. Use for special projects metal fasteners. Copper nails that will patina with age. Use for securing copper metal or for slating panels Copper Nails Dubbs Hardware 1.5-Inch Pure Copper - 10 Oz Pack USA MADE - Proudly Made in the United States ROOFING NAILS - Great for roofing, boat building, or any other decorative projects For Killing Trees 1 Inch Roofing Finish 100 Nails - Solid Pure Copper Slate Spikes Flashing Furniture Boat - Package Includes 100 Pieces Of The Highest Quality Nails By Dubbs Hardware Copper Nails INSTRUCTIONS: Drill a pilot hole in the tree for the spike to go into (3/32” drill bit) and softly hammer the nails into the pilot hole. About this item These thick, American-made copper nails are built to last! The 99% pure copper construction won't rust, making them perfect for: roofing, boat building, or killing tree stumps (just drill pilot holes first!). The 3/8" head provides great holding power without splitting wood USE FOR: Slate roof installation or repair, Weatherstrip fastening, House projects, DIY craftsmanship, Boat building, Science experiments SLATING NAILS - Great for roofing, boat building, or any other decorative projects, or tree stump removal