USER-FRIENDLY APPLICATION: Copper is a softer metal, provision of a cobalt drill helps create initial holes in tree stumps to facilitate nail insertion. Simply hammer nails evenly around the base of the stump for optimal results, making the process manageable even for non-professionals. EFFECTIVE TREES & STump Removal - Use these copper nails to release excess copper ions, a proven method to stop growth and gradually remove unwanted trees, stumps and roots. This strategy is simple and effective and requires minimal physical effort. DURABLE & ROBUST CONSTRUCTION - Made with 99% pure copper, these nails resist rust and corrosion, promising longevity and reuse. The included drill bits are constructed from high-speed steel containing cobalt and are designed to resist high temperatures and wear, ensuring precise, effortless drilling. Complete Stump Removal Kit - Each package includes 15 high quality copper nails (3.14") and a cobalt drill. This combo is designed to meet all tree stump removal needs, ensuring enough tools for single or multiple projects. REUSABLE & VERSATILE - These copper nails can be easily retrieved and reused, offering great value. Designed for large tree stumps (over two feet in diameter) that may require 10 or more nails, this tool is also for various DIY projects where copper nails can be applied., Weight: 0.19180216794 pounds, Manufacturer: Rtxbvg