This cut out toll works well and has been tested.
The Powermate 3 in. high speed, high quality cut-off tool is designed to cut through steel, metal hangers, bolts, hose clamps, mufflers and other similar items, up to 3/4 in. thick. Equipped with a high impact wheel guard and safety trigger. Incorporated independent power regulator to keep every job consistent. Recommended use with Powermate aluminum oxide cut-off disks for maximum performance. Minimal assembly required for quick attachment of the cutting disk.