General use with full round head for clamping. For medium duty rust protection Conforms to Eurocode 5 and service class 2" Shank Dia. mm: 3.75 Length mm: 75 Finish: Galvanised Material: Carbon Steel Approx. Pcs Per 1kg: 154 Timco Round Wire Nails - Galvanised (Size 75 x 3.75 - 0.5 Kilograms) in Silver