The Frankford Arsenal Rotary Media Separator is the ideal tool to quickly separate brass from media with a simple turn of a handle. Brass is caught in the separator while the media falls into a 3-1/2 gallon bucket (included) for storage ready for reuse. Fits: Over the top of most 3-1/2 to 5 gallon buckets Kit Includes: Frankford Arsenal Rotary media Separator, Bucket Adaptor fitting most 3-1/2 to 5 gallon buckets and 3-1/2 gallon bucket.