ASSORTED SIZES AND SHAPES - Different materials and shapes fit for different use. Buffing wheels diameter 1 inch + 1/2 inch,Shanks are 1/8 inch. The whole polishing buffing wheels set fits for Dremel Rotary Tools, Grinding Tool, Polishers, Hand Drill, etc..HIGH QUALITY FOR DURABILITY - Made of high-quality compressed wool, cotton, cloth, and metal. These polishing buffing pads, wheels are exquisite with high toughness and excellent polishing capability. They work with buffing compounds and are nice to get into tight spots and uneven surfaces..WIDE APPLICATIONS - Make polished goods clean and shine. Ideal for jewelry, watches, various mold, glass, medical equipment, mirror, metal surfaces, etc..NOTICE FOR USE - When using, the speed of the tool should not be too fast. It is recommended to use the lower gear. Excessive speed can easily cause the brush apart and affect the service life..CLIENTS FOREMOST, SERVICE FIRST - Best product and top service are always what we are aiming to provide for each customer's friends. If you are not satisfied with the size, the functions, or any other reasons, just reach out to us and we’ll be happy to resolve any problems you may face to make you satisfied.