Package & 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 inches x 3.5mm. The drill bit measures 2.7 inches x 3.5mm. This set provides a sufficient quantity for regular use and replacements. Premium Material: The nails are made of pure copper and stainless steel, offering durability, rust resistance, and long service life. The drill bit is constructed from cobalt-infused high-speed steel, providing resistance to heat, wear, and deformation. Effective Stump Treatment: Copper nails can interfere with tree growth by releasing copper ions, which may assist in managing unwanted trees and stumps. How to Use: Create pilot holes using the included drill bit and stainless steel nail. Insert the copper nails into the holes, spacing them evenly around the base of the stump. Protect Surrounding Vegetation: This method targets the stump without harming nearby plants. Color: Copper and silver Material: Copper, stainless steel, cobalt steel Package Contents: 23 x copper nails, 1 x stainless steel nail, 1 x drill bit Note: The package includes only the items listed above. Lighting and display differences may cause slight color variations between the image and the actual product. Measurement tolerance is +/- 1-3 cm.