Galv Round Wire Nails 150 x 6.00mm 2.5kg are extra long and heavy gauge round wire nails, constructed from durable carbon steel and finished with a galvanised coating to provide excellent resistance to rust and corrosion, making them suitable for all external timber fixing and exposed environments (conforming to Eurocode 5 and Service Class 2 standards), commonly used for demanding construction tasks such as fixing roof and floor joists together, securing structural timber connections, driving into deep fence posts, or other heavy-duty carpentry where a long-lasting, deep-anchoring fix is required, with the 2.5kg pack size providing a more substantial quantity of approximately 72 nails (based on an estimated 29 nails per 1kg) for larger projects.