1. Suit and Specifications: You will receive a set of stump removal tools, which includes 23 copper nails, 1 stainless - steel nail, and 1 cobalt alloy drill bit nail. The quantity can meet your daily use and replacement needs. The size of the copper nails and stainless - steel nails is about 3.5 inches × 3.5 millimeters, and the size of the drill bit nail is about 2.7 inches × 3.5 millimeters. 2. Materials: These hardware nails are mainly made of copper and stainless steel, which are strong, durable, rust - resistant, and corrosion - resistant, with a relatively long service life. The drill bit is made of cobalt - containing high - speed steel, which is heat - resistant, wear - resistant, and not easily deformed. 3. Stump Removal: The copper nails can interfere with tree growth by releasing excessive copper ions, which may help to remove trees and stumps. 4. Usage Method of the Nail Set: First, use the drill bit and stainless - steel nail to make a pilot hole, then hammer the copper nails into the holes, and finally, evenly nail the nails around the bottom of the stump. 5. Protection of Surrounding Plants: Using copper nails to remove stumps may not affect the surrounding plants. 6. Color: Copper + Silver 7. Material: Copper 8. Set Contents: - 23 copper nails - 1 stainless - steel nail - 1 drill bit Only the above set contents are included, and no other products are included. 9. Precautions: Due to light reflection and the display effects of different monitors, the color of the items in the picture may vary slightly from the actual ones. The measurement error is allowed to be about ±1 - 3 centimeters.