A. Suit and Specifications: You'll receive a set of stump removal tools, including 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. B. Materials: These hardware nails are mainly made of copper and stainless steel, which are relatively 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. C. Stump Removal: The copper nails interfere with tree growth by releasing excessive copper ions, which can help to remove trees and stumps. D. 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, nail the nails around the bottom of the stump evenly. E. Protection of Surrounding Plants: Using copper nails to remove stumps may not affect the surrounding plants. F. Color: Copper + Silver G. Material: Copper H. 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. I. 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. A measurement error of about ±1 - 3 centimeters is allowed.