- 13-Piece Wool Felt Bob Set: This comprehensive set includes 13 uniquely shaped wool felt bobs made from high-quality compressed wool fibers, compatible with all types of connections and designed for versatile applications. - Efficient Polishing and Grinding: The innovative irregular design of these felt bobs allows them to navigate and polish hard-to-reach areas effortlessly. Ideal for achieving a flawless finish and effectively removing residues from surfaces. - Versatile Compatibility: These felt bobs are suitable for use with grinders and rotary tools. They excel on a variety of materials, including wood, glass, electronics, jewelry, and both metal and non-metal surfaces, making them reliable for numerous professional tasks. - Superior Surface Finish: Achieve mirror-like results on different materials, including intricate grooves and cone-shaped components. These wool felt bobs ensure a smooth and efficient polishing process, enhancing the quality of your work. - Practical Applications: Perfect for jewelry makers seeking to polish intricate designs, woodworkers aiming for smooth finishes on detailed projects, and hobbyists working with electronic components where precision is essential. Experience the difference with these versatile wool felt bobs, designed to meet the demands of both professionals and DIY enthusiasts.