Package & Size: You will receive a set of tree stump removal tools, including 23 copper nails, 1 stainless steel nail, and 1 cobalt drill bit. The copper nails and stainless steel nail measure 3.5 in x 3.5 mm, while the drill bit measures 2.7 in x 3.5 mm. This set provides sufficient quantity for regular use and replacements. Premium Material: The nails are made of pure copper and stainless steel, offering durability, rust resistance, and long service life. The drill bit is constructed from cobalt-infused high-speed steel, providing resistance to heat, wear, and deformation. Function: These copper nails can be used to assist in tree stump management. The kit helps in creating pilot holes and inserting nails around the base of a stump to support effective results. How to Use: Use the included drill bit and stainless steel nail to create pilot holes in the stump. Then insert the copper nails into the holes using a hammer, spacing them evenly around the base. Protect Surrounding Plants: Designed to target the stump without harming nearby vegetation. Color: Copper + Silver Material: Copper, Stainless Steel, Cobalt-Infused High-Speed Steel Package Contents: 23 x Copper Nails, 1 x Stainless Steel Nail, 1 x Drill Bit Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1–3 cm.