Optional tip for Sorby Multi-Tip Hollowing Tools. Used for forming decorative bead features on wheels, rings, spindles, and other work. Matching cove tips available. Cutter is easily sharpened with a diamond file and can be replaced as needed.Works with the following tools:Multi-Tip Hollowing Tool - HandledSovereign Multi-Tip Hollowing Tool - BladeSovereign XL Multi-Tip Hollowing Tool - BladeMay work with other Sorby tools not listed here. Be sure to check the instructions for the specific tips your particular tool will accept. Made in England.