TIMCO ELH Galvanised Clout Nails (20 x 3.00mm) are short, heavy-duty nails with an extra-large head designed to deliver superior clamping force on roofing felt, plasterboard, insulation sheets, and general timber applications. The galvanised finish provides medium-duty rust protection, making them suitable for outdoor and exposed environments such as shed roofs and fencing. Manufactured to meet Eurocode 5 service class 2 requirements (as confirmed in multiple listings), these nails offer reliable performance for both trade and DIY use. Supplied in a 1kg trade bag, giving consistent supply for roofing and repair jobs.