12 Pack 4 Inch (100mm) Long Copper Nails for Tree Killing & Stump Removal - Includes 1 Steel Nail & Storage Box - Ideal for Arborists, Gardeners, and DIY Tree Removal Projects

Specification: Material: copper, steel Dimensions: 100 x 0.4 mm (length x diameter). How to use: Drill a pilot hole in the shaft with the steel nail first Hammer the copper nails in the pilot hole Spaces nails evenly around the base of the stump Try to remove as much bark as possible to expose the pulp of the tree With trees over 2 feet in diameter, use more than 10 spikes Package includes: 12 x Long Copper Nails 1 x steel nail. 1 x transparent storage box. Tips: The principle of using copper nails is that the tree dies due to reduced healing ability and being exposed to a highly toxic substance from the inside for an extended period of time.