Large diameter head, perfect for attaching roofing felt, slate and shingles. For medium duty rust protection Conforms to Eurocode 5 and service class 2" Shank Dia. mm: 3.75 Length mm: 65 Finish: Galvanised Material: Carbon Steel Approx. Pcs Per 1kg: 180 Timco Clout Nails - Galvanised (Size 65 x 3.75 - 1 Kilograms) in Silver