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 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 hardware nails are made of pure copper and stainless steel, offering durability, rust resistance, and corrosion resistance for long-term use. The drill bit is constructed from cobalt-infused high-speed steel, providing resistance to heat, wear, and deformation. Tree Stump and Root Removal: The copper nails help disrupt tree growth by releasing copper ions, aiding in the elimination of unwanted trees, stumps, and roots. How to Use: Start by creating pilot holes in the tree roots using the drill bit and stainless steel nail. Then, hammer the copper nails into the pilot holes, spacing them evenly around the base of the stump. Protect Surrounding Plants: This method allows for targeted stump and root removal without harming nearby vegetation. Color: Copper and silver Material: Copper, stainless steel, cobalt steel Package Contents: 23 copper nails, 1 stainless steel nail, 1 drill bit Note: The package includes only the items listed above. Lighting and display differences may cause slight variations in color as seen in images. Measurement may vary by +/- 1-3 cm.