Dremel 1 In. Felt Polishing Wheel, 2 Pk is designed to semi-rough finishes into smooth, polished surfaces with ease. These felt polishing wheels are for general polishing tasks on most ferrous metals, stones, glass, and ceramics. They can be used with or without the 421 polishing compound, enhancing their versatility for a variety of projects. The self-renewing surface of the felt polishing cones ensures long-lasting effectiveness, making them i for polishing in corners and hard-to-reach areas. These wheels fit mandrel Model No. 401, providing a reliable and efficient polishing solution for your detailed work. Model Number: 429