Turn long thin vessels and vases through a narrow opening with ease and accuracy. 10" size.The Robert Sorby Hollowmaster has a flat underside which provides exceptional control and stability when hollowing and is suitable for end grain and bowl work. It is supplied with two interchangeable tips for hollowing and scraping.Unlike most conventional hollowing tools, the unique Hollowmaster comes with a meaty 3/4" flat surface. When laid on the tool rest, this gives ample support to prevent the tool from being turned over by the rotation of the wood. You are not fighting the laws of nature but removing wood with ease. It's swan neck design means that the Hollowmaster can reach those spots that are often difficult to reach. The Hollowmaster comes with a swiveling hollowing cutter and a full round scraper cutter for fine finishing. Both are easily sharpened with a diamond file and can be replaced when need be.