For more details check out our roading brochure. 920mm high, 50mm deep, 180mm wide, 35kg weight. ncrete surround for around yellow fire hydrant ver. Typically set into the road or footh. 570mm wide, 430mm deep, 110mm high, 35kg weight. Used in roading as an edge – such as traffic islands and crossings. Available in 600x320mm. Weighs 38kg.