Firth Grey Block 190 x 390 x 140mm SKU: 431424 MODEL: 1504 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 Plain End Standard masonry block 15.04. Features and benefits Hard wearing, durable and dimensionally accurate. Double flush ends suitable for columns.