Robert Sorby SOV-22S-ULTM Medium Ultima Hollowing System The Robert Sorby Sovereign Ultima hollowing system uses a high performance cutter system with a self-clearing head design allowing for fast and effortless waste removal. Depth of cut can be finely tuned by altering the cut adjustment cap using the micro-adjust wheel. The multi- variable configuration head and link system allows the tool to be used in a variety of positions to create a multitude of hollow form shapes. This medium sized model has a maximum hollowing depth of 16 and is fitted to the 22 Sovereign handle. Includes: 22 Sovereign handle, cutter and blade, torx key, 2 allen keys. 2 collets (3/8 and 1/2)