Extra large diameter head for extra clamping, perfect for fitting roofing felt and plasterboard. Approx. Pcs Per 1kg 350 CE Standard Web BS EN 14592:2008 Corrosion Rating 2 - Occasionally damp/wet, rural and sheltered areas Description Extra large diameter head for extra clamping, perfect for fitting roofing felt and plasterboard. Finish Galvanised Head Area mm 76.42 Head Type Extra Large Round Length mm 40 Material Carbon Steel Pack Dimensions L x W x H mm 150 x 170 x 118 Pack Weight kg 2.620 Point Length mm 4.09 Product Code GEC40T Service Class 2 Shank Dia. mm 3.00 Size mm 40 x 3.00 Substrates Plasterboard, Roofing Felt Weight kg 2.5