Package and Size: You will receive 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 and 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 hardware nails are mainly made of pure copper and stainless steel, which are sturdy and durable, rust-proof and corrosion-resistant, and have a long service life; The drill bit is made of cobalt-containing high-speed steel, which is resistant to heat, wear, and deformation. Remove Tree Stumps and: Our copper nails interfere with tree growth by releasing excessive copper ions, which helps to eliminate, stumps and How to Use the Nail Set: , make pilot holes in with drill bit and stainless steel nails, then hammer the copper nails into the hole, drive out the nails 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 bit Only the above package content, 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 measurement allowed error is +/- 1-3 cm._XJ