The included Steels nails and Drills bit quickly make holes in tree root, allowing Coppers nails to be easily hammered in without bending Our Coppers nails disrupts tree growth by releasing excessive Coppers ions, helping to trees, stumps, and root These hardware nails are mainly make of Coppers, which are strong and rustproof, and have long service life You will receive a set of tree stump removal tool, includes 23pcs Coppers nails, 1pc stainless Steels Nails, 1pc Drills bit nails, sufficient quantity to meet daily use and replacement needs Coppers nails are used to remove tree stumps and without affecting surrounding plant, Manufacturer: HVRFJXI