The Frankford Arsenal Standard Media Separator is designed to sit conveniently on top of most 3-1/2 or 5 gallon plastic utility buckets. This allows you to quickly separate your media and brass and reduces the mess and time wasted for cleanup. Hole Diameter:.275" Bottom Diameter: 9-1/2" Bottom Width: 15-1/2" (handle to handle) Depth: 4-3/4" Sidewalls Capacity: Enough to hold a tumbler full of brass and media