What are the Different Gravel Sizes? (with pictures)
Aug 04, 2020· Gravel labeled #411 is usually a mixture of #57 and stone dust, and is particularly useful for patching potholes and sealing things like retaining walls. Decorative Options. Gravel known as size #1 is relatively large. Typically, this gravel ranges in diameter from 2.5 inches (6.35 centimeters) to 4 inches (10.16 centimeters).