76mm Posts Galvanised 3" Sign Posts in Various Lengths - S275 Grade SteelThis 76mm diameter post is the most common pole size for use with road signs, car park signs or notification signs. With a 3mm wall thickness it is designed to be robust for a wide range of applications. Thick, long lasting hot dip galvanised finish. Robust 3mm wall thickness. Industry standard size for small to medium sized signage applications (non motorway). Comes in 1. 2m, 2m, 2. 4m, 3m, 3. 6m, 4m lengths as standard. These post are suitable for