For fixing corrugated sheeting. The twisted shank gives an enhanced pull-out resistance. Commonly used in roofing applications. For medium duty rust protection Conforms to Eurocode 5 and service class 2" Shank Dia. mm: 3.35 Length mm: 65 Finish: Galvanised Material: Carbon Steel Approx. Pcs Per 1kg: 140 Timco Spring Head Nails - Galvanised (Size 65 x 3.35 - 0.5 Kilograms) in Silver