Mulch and Stone delivers Crush and Run (#21A/CR-6). It is a mix made up of Bluestone Powder Fines and ¾ inch Crushed Stone. It is great for driveway’s, as a paver base, for walkways and numerous other outdoor projects. We deliver Bulk Crush and Run (#21A/CR-6) directly to your home or project. Crush and Run Gravel (21A/CR-6) is perfect for commercial and residential needs. So Order Now! But don’t forget to use the Mulch and Stone Calculator. So you order the right amount of product.