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, while the drill bit measures 2.7 inches x 3.5mm. 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-infused high-speed steel, providing resistance to heat, wear, and deformation. Tree Stump Removal: Copper nails can help in managing unwanted tree growth by releasing copper ions into the wood. Insert the nails around the base of the stump to assist in its gradual breakdown. How to Use: Create pilot holes using the included drill bit and stainless steel nail. Then insert the copper nails into the holes, spacing them evenly around the stump base. Protect Surrounding Plants: This method allows for targeted stump treatment without harming nearby vegetation. Color: Copper + Silver Material: Copper, Stainless Steel, High-Speed Steel with Cobalt Package Contents: 23 x Copper Nails 1 x Stainless Steel Nail 1 x Drill Bit Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.