25 Copper Nails for Killing Trees, 3.5 Inch Pure Copper Nails Copper Nails Package & Size: You will receive a tree stump removal tool set consisting of 23 copper nails, 1 stainless steel nail, and 1 cobalt drill nail. This is a sufficient quantity to cover your daily use and replacement needs. The copper and stainless steel nails measure 3.5 inches x 3.5 mm, and the drill nail measures 2.7 inches x 3.5 mm. Premium Material: These hardware nails are primarily made of pure copper and stainless steel, which are durable, rust-resistant, and long-lasting. The drill nail is made of cobalt-containing high-speed steel, which is resistant to heat, wear, and deformation. Tree Stump Removal: Our copper nails disrupt tree growth by releasing excess copper ions, helping to kill trees and stumps. How to use the nail set: Use the drill and stainless steel nails to make pilot holes in the stump. Then, hammer the copper nails into the holes and finally drive the nails evenly around the base of the stump. Protecting surrounding plants: Copper nails are used to remove tree stumps without harming surrounding plants. Package & Size: You will receive a tree stump removal tool set consisting of 23 copper nails, 1 stainless steel nail, and 1 cobalt drill nail—a sufficient quantity to cover your daily use and replacement needs. The copper and stainless steel nails measure 3.5 inches x 3.5 mm, and the drill nail measures 2.7 inches x 3.5 mm. Premium Material: These hardware nails are primarily made of pure copper and stainless steel, which are sturdy, rust-resistant, and durable. The drill bit is made of cobalt-containing high-speed steel, which is susceptible to heat, wear, and deformation. Remove tree stumps and: Our copper nails disrupt tree growth by releasing excess copper ions, thus protecting trees, stumps, and... How to use the nail set: Make pilot holes with the drill bit and stainless steel nails, then hammer the copper nails into the holes and finally drive the nails evenly around the base of the stump. Protect surrounding plants: Copper nails are used to remove tree stumps without harming surrounding plants. Color: Copper + Silver. Material: Copper. Package contents: 23 x copper nails, 1 x stainless steel nails, 1 x drill bit. Only the above package contents are included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The permissible measurement error is +/- 1-3 cm.