These Forgefix Clout Nails have a larger head, which distributes the load directly underneath the top of the nail, ensuring that roofing felt stays firm and secure. This reduces the risk of tearing. Made from Copper, which has a similar life expectancy to lead and holds without restricting thermal movement. They can be used in a variety of roofing applications and are suitable for use with softwood. Also known as slate nails.Clout Nails Copper 30mm - Bag Weight 1kg