Our Crush and Run #21A is a high quality mix of Bluestone fines and our specially crafted ¾ inch Crushed Stone Powder. It is a great product designed to be used for Paver Base, Patios and walkways, Horse Rings and numerous other outdoor projects. At Mulch & Stone we deliver Bulk Crush and Run #21A directly to your project or home. This is the ultimate in 21A/CR-6 Gravel and is perfect for commercial needs. Our Crusher Run contains Crushed Limestone and Crushed Granite in its Crushed Stone mixture, and we deliver #21A/CR-6 straight to your home or project.