Polishing wheel. Shaft diameter: 3.2 mm, working diameter: 13.2 mm. Suitable for polishing various surfaces and materials. For processing metals, granite, ceramics, or plastics. Delivery includes: 1. The Dremel polishing wheel 520 is designed for use on a wide range of materials. Polishing can begin immediately without the need for an abrasive or coolant, as the polishing wheel is already impregnated with a silicon carbide abrasive and a cooling liquid, making additional polishing paste unnecessary. With a maximum speed of 20,000 revolutions per minute, the polishing wheel has enough power for clean work while ensuring gentle handling of the material. Also suitable for restorations.