Dremel 3/8 In. Felt Cone Polishing Wheel is designed to a semi-rough finish into a smooth, polished surface with ease. This versatile polishing wheel is i for general polishing tasks on most ferrous metals, stones, glass, and ceramics. It works effectively with or without the 421 polishing compound, enhancing its usability for various projects. The self-renewing surface of the felt cone ensures long-lasting performance, maintaining its polishing effectiveness over time. Its cone shape makes it for reaching corners and other hard-to-access areas, providing a thorough and detailed polish. This polishing wheel fits mandrel Model No. 401, making it a convenient addition to your Dremel tool accessories. Model Number: 422