19MM Brown Crushed Stone Gravel - 4 Tons. R 4,800.00 R 4,900.00. Load more. We are a leading Nationwide Supplier of selected Gravell Aggregates, with sizes varying from as low as 4mm upto 300mm, we can supply and deliver Gabion Rocks, Dump Rocks, Rail Ballast, Drainage stone and aggregates (4mm, 6mm, 9mm, 13mm,19mm,22mm)