Class 5 road gravel is crushed to less than 1". This is what is on most gravel roads. Uses include- top layer of driveways/roads, under concrete/pavers, fill, etc.
Our pit run is typically screened to 3/4" inch and less. It has less rock than the Class 5 gravel. It is usually used for general fill, driveway/road base, under concrete, building pads, etc.
This product is the layer of material between the black dirt and the gravel. It is a sandy clay material. It packs very well. It is not run through a screener so there may be some larger rocks in it. Uses include general fill, driveway/road base, building pads, etc.