The Shannon Duo Block Paving - Charcoal - (2.34 Sq/Mt Per Slice) features a Hard-wearing and durable smooth surface. With vibrant long-lasting colours and expertly finished edges. Suitable for use on driveways, paths and patios. This Pack contains two block sizes: 208 x 173 x 50mm 173 x 173 x 50mm Equivalent to 2.34 Sq/Mt