Package & Size: You will get a set of tree stump removal tools, including 23 x copper nails, 1 x stainless steel nail, 1 x cobalt drill bit, sufficient quantity to meet your daily use and replacement needs. The size of the copper nails & stainless steel nail is 3.5 inches x 3.5 mm, the drill bit size is 2.7 inches x 3.5 mm Premium Material: These tree stump removal nails are mainly made of pure copper and stainless steel, which are sturdy and durable, rust-proof and anti-corrosion, and have a long service life; The drill bit is made of cobalt-containing high-speed steel, which is for heat, wear and deformation. Remove Tree Stumps and : Our copper nails disrupt tree growth by releasing excessive copper ions, which helps trees, stumps and How to Use the Nail Set: , make pilot holes in with drill and stainless steel nails, then hammer the copper nails into the hole, finally drive the nails out evenly around the base of the stump. Protect Surrounding Plants: Copper nails are used to remove tree stumps and without affecting surrounding plants Color: Copper + silver Material: copper Package Contents: 23 x Copper Nails 1 x Stainless Steel Nails 1 x Drill The above package content only, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.