Firth Grey Block 190 x 390 x 240mm SKU: 431448 MODEL: 2516 Sorry, there is currently no online price available for this product.Contact your local store for pricing and availability. Mitre 10 SAvailable at selected stores. Check your local store for details Variants Open end bond beam (depressed web) masonry block 25.16. Features and benefits Hard wearing, durable and dimensionally accurate. Standard grey masonry in-fill block for solid fill walls.