Large diameter head, perfect for attaching roofing felt, slate and shingles. Approx. Pcs Per 1kg290CE Standard WebBS EN 14592:2008Corrosion Rating2 - Occasionally damp/wet, rural and sheltered areasDescriptionLarge diameter head, perfect for attaching roofing felt, slate and shingles. FinishGalvanisedHead Area mm75.24Head TypeRoundLength mm50MaterialCarbon SteelPack Dimensions L x W x H mm265 x 310 x 265Pack Weight kg25.400Point Length mm5.04Product CodeGCN33550Service Class2Shank Dia. mm3.35Size mm50 x 3.35SubstratesRoofingWeight kg25.