copper nailsPackage & Size: You will receive a set of tree stump removal tools, including 23 copper nails, 1 stainless steel nail, and 1 cobalt drill bit. The copper nails and stainless steel nail measure 3.5 in x 3.5 mm, while the drill bit nail measures 2.7 in x 3.5 mm. This set provides sufficient quantity for daily use and replacements.Premium Material: These nails are made of pure copper and stainless steel, offering durability, rust resistance, and long service life. The drill bit is constructed from cobalt-containing high-speed steel, resistant to heat, wear, and deformation.Tree Stump Removal: Copper nails help control unwanted tree growth by releasing copper ions, which assist in eliminating tree stumps.How to Use: Create pilot holes using the drill bit and stainless steel nail, then hammer the copper nails into the holes. Space the nails evenly around the base of the stump for effective results.Protect Surrounding Plants: This method allows for targeted stump removal without harming nearby vegetation.Color: Copper + SilverMaterial: Copper, Stainless SteelPackage Contents:23 x Copper Nails1 x Stainless Steel Nail1 x Drill BitNote: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.