Effective Stump Removal : D.MATIALL copper nails for killing trees are made from high purity of copper. When 3.5 inch long copper nails are insert into a stump, it will release copper ions that affects the tree’s ability to absorb and transport water and nutrients, inbihiting growth and evetually leading to death. One Strike Perfection Kit : Each copper nails kit comes with a wood auger bit, it is custom designed for better removal of wood chips during drilling, allowing the bit to penetrate deeper, making it easily hammered the copper nails into the tree stump. Easy to Use : No complex tools or professional skills requried, our copper nails for trees kit allows you to easily handle stump removal, making it ideal for both home gardening enthusiasts and professional landscapers. Eco-Friendly Solution : By using our copper tree nails to treat stumps is an environmentally friendly solution, eliminiating the need for chemicals, making it safe for the ground and enviroment. Convenient Packaging : All components are neatly packed in a compact box, making it easy to store and carry, perfect for your yard maintenance needs. D.MATIALL 3.5 inch long copper nails for tree stumps and roots are made from 99.95% high purity of copper. When the nails are insert into the stump, it will release copper ions that affects tree’s growth and evetually leading to death. Each package also comes with a wood auger bit which is custom designed for better drilling, making the nails easily hammered into the tree stump. What you need to do is to wait and see the magic of our copper nails.