Package & Size: You will receive a set of tree stump removal tool, including 23 x copper nails, 1 x stainless steel nail, and 1 x cobalt drill bit. This quantity is sufficient to meet your daily use and replacement needs. The size of the copper nails and stainless steel nail is 3.5in x 3.5mm, and the drill bit nail size is 2.7in x 3.5mm. Premium Material: These hardware nails are mainly made of pure copper and stainless steel, making them sturdy, rust-resistant, and durable with a long service life. The drill bit is made of cobalt-containing high-speed steel, which is resistant to heat, wear, and deformation. Remove Tree Stumps: Our copper nails disrupt tree growth by releasing copper ions, helping to eliminate trees and stumps. How to Use the Nails Set: First, make pilot holes using the drill bit and stainless steel nail. Then hammer the copper nails into the hole, and finally drive the nails evenly around the base of the stump. Protect Surrounding Plants: Copper nails are used to remove tree stumps without affecting surrounding plants. Color: Copper + silver Material: Copper Package Contents: - 23 x copper nails - 1 x stainless steel nail - 1 x drill bit Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. A measurement error of +/- 1-3cm is allowed.