The Tumble Drumm Fish Scaler is an investment that will make that unpleasant chore of scaling fish, easy and clean. Get news. This is a review of the Open Country Tumble Drum. Add to cart. Safari. JavaScript seems to be disabled in your browser. // -->. Our product experts have helped us select these available replacements below.You can also explore other items in the, Open Country Tumble Drumm Auto Fish Scaler, 26.5 in. Ideal size for medium to large size projects and can mix up to 320 lbs of concrete. // -->