16 Inch Heavy Duty 3 Stage Blue Pans are designed for quick and efficient panning Use the coarse riffles to rough pan and the fine riffles to sort extremely fine gold quickly and efficiently And for the super fines, the flat side with a little texture (Not Slick). All pans have instructions attached to the bottom of the pan. Ideal for beginners or professionals. Plus a Free Snuffer Bottle and vial + Magnifier. This Pan is 16-1/4" OD, the bottom of the pan is 9" and the Pan itself is 3-1/2" Tall.