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 measures 2.7 in x 3.5 mm. This set provides sufficient quantity for regular use and replacements. Premium Material: These nails are made primarily of copper and stainless steel, offering durability, rust resistance, and long service life. The drill bit is constructed from cobalt-infused high-speed steel, resistant to heat, wear, and deformation. Tree Stump Removal: Copper nails help inhibit tree regrowth by releasing ions that aid in the natural decomposition of stumps. How to Use: Create pilot holes using the included drill bit and stainless steel nail, then insert 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 targeted stump treatment without harming nearby vegetation. Color: Copper and silver Material: Copper, 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 color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.