This range has a rough dressed effect finish and comes in mixed sized packsr r being a single block walling straight and curved walling can be easily builtr r each 260m2 pack contains 90 blocks in the following mix of sizesr r 10 no 150mm high 30 no 125mm high 36 no 100mm high 14 no 75mm high with random lengths of 200 225 250 275 300 and 325mmr r when using a 10mm joint each pack contains enough walling blocks to cover 260m2