The Forney 60241 wire bristle brush set with 1/8-inch shank. Used for a wide variety of cleaning and surface preparation tasks on many surfaces. Fits all name brand rotary tools such as: Dremel, Moto-Tool, Craftsman, Wizard, Black and Decker, and many other tools. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. Were committed to your success regardless of location size or needs. 3-piece, 1/8" (3.18mm) shank. Max RPM: 15,000. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.