Crusher run quantity. Add to cart. Add to Wishlist. Category: Quarry Tags: Building Supplies, Chitungwiza, cubic, Harare, lintels, Norton, ring beam, Ruwa, slab, Staircase. Description Reviews (0) Description. A mixture of 19mm, 20mm 3/4 stones, quarry dust and 10mm. One of the best products for high strength concrete.