The Regal Revolution Roller attaches to a Revolution vise and revolves around a 360-degree axis. This roller will rotate any fly you are tying by simply turning the handle, making it easier to see exactly what you are working on.Model: 200-RRMachined bronze DurableIn-line rotary Compatible with Revolution ViseQty. per pack: 1The Regal Revolution Roller is made in the U.S.A.