25 Copper Nails for Tree Felling, 35-inch Pure Copper Nails, Stump Removal Nails, Hardware Accessories 25 Copper Nails for Tree Felling, 35-inch Pure Copper Nails, Stump Removal Nails, Hardware Accessories Packaging and Dimensions: You will receive a stump removal tool set including 23 copper nails, 1 stainless steel nail, and 1 cobalt drill bit. The quantity is sufficient for your daily use and replacement needs. The copper and stainless steel nails are 3.5 inches x 3.5 mm, and the drill bit is 2.7 inches x 3.5 mm. Premium Materials: These hardware nails are primarily made of pure copper and stainless steel, making them sturdy, durable, rust-resistant, and long-lasting. The drill bit is made of cobalt-containing high-speed steel, which is heat-resistant, wear-resistant, and not easily deformed. Stump Removal: Our copper nails protect trees and stumps by releasing excess copper ions to inhibit tree growth. Instructions for use: First, drill guide holes using an electric drill and stainless steel nails. Then, hammer the copper nails into the holes, and finally, evenly nail the copper nails around the base of the tree stump. Protect surrounding plants: Removing the tree stump using copper nails will not affect surrounding plants. Color: Copper + Silver. Material: Copper. Package contents: 23 copper nails, 1 stainless steel nail, 1 electric drill. The above only includes the package contents and does not include other products. Note: Light reflection and different monitors may cause the color of the product in the picture to be slightly different from the actual product. The permissible measurement error is +/- 1-3 cm.