Provides high levels of rust protection.<br /><br />TECHNICAL DATA:<br />Shank Dia. mm: 3.35<br />Approx. Pcs Per 1kg: 380<br />Corrosion Rating 3 - Urban; industrial areas with a low salt atmosphere<br />Substrates: Roofing Felt, Slate, Shingles<br />Length mm: 30<br />Size mm: 30 x 3.35<br />Weight kg: 2.5<br />Type: Clout">