25 Pieces Copper Tree Stump Killer Nails 3.5 Inch Rust Proof Gardening Hardware Package & Size: You will receive a set of tree stump removal tool, includes 23 x copper nails, 1 x stainless steel nail, 1 x cobalt drill bit nails, sufficient quantity to meet your daily use and replacement needs. The size of copper nails & stainless steel nail is 3.5in x 3.5mm, the drill bit nail size is 2.7in x3.5mm<br> Premium Material: These hardware nails are mainly made of pure copper and stainless steel, which are sturdy and , rust proof and anti-, 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.<br> Remove Tree Stumps and : Our copper nails disrupts tree growth by releasing excessive copper ions, helping to eliminate trees, stumps, and<br> How to Use the Nails Set: , make pilot holes in by drill bit and stainless steel nails, then hammer the copper nails into hole, finally drive the nails out evenly around the base of the stump.<br> Protect Surrounding Plants: Copper nails are used to remove tree stumps and without affecting surrounding plants<br> Colour:Copper + silver<br> Material:copper<br> Package Contents:<br> 23 x copper nails<br> 1 x stainless steel nails<br> 1 x drill bit<br> Only the above package content, other products are not included.<br> 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 +/- 1-3cm.