Complete Stump Removal Kit: Each pack contains 15 high-quality copper nails (8 cm) and a robust cobalt drill bit. This combination is designed to meet all your stump removal needs, ensuring you have enough tools for either single or multiple projects.Effective Tree and Stump Elimination: Use these copper nails to release excessive copper ions, a proven method to stop the growth and gradually unwanted trees, stumps, and. This strategy is both simple and effective, requiring minimal physical effort. and Robust Construction: Made from 99% pure copper, these nails resist rust and, promising and reusability. The included drill bits are made of cobalt-containing high-speed steel, designed to withstand high temperatures and wear, ensuring precise and easy drilling.User-Friendly Application: As copper is a softer metal, the provision of a cobalt drill bit helps create initial holes in tree stumps for easier nail insertion. Simply hammer the nails evenly around the base of the stump for optimal results, making the process manageable even for non-professionals.Reusable and Versatile: These copper nails can be easily retrieved and reused, offering. Designed for large tree stumps (diameter over two feet) that may require 10 or more nails, this tool is also perfect for DIY projects where copper nails may be applicable.The actual product may have a slight color difference or difference, which does not affect the useColor:Photo ColorMaterial:copperSize:About 8 cmPackage Contents:15x copper nail1x Drill bit (random color, do not accept the specified color)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.