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. 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 help manage unwanted tree growth by releasing copper ions into the wood, which can assist in decomposing stumps over time. How to Use: Create pilot holes using the included 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 best results. Protect Surrounding Plants: This method allows for targeted stump treatment without harming nearby vegetation. Color: Copper + Silver Material: Copper and Stainless Steel Package Contents: 23 x Copper Nails 1 x Stainless Steel Nail 1 x Drill Bit Note: Light reflection and display settings may cause slight variations between the product color in images and the actual item. Measurement error allowance is +/- 1-3 cm. Only the items listed above are included.