- Versatile Use: This 6-inch polishing disc set is ideal for polishing a range of metals including cast iron, brass, aluminum, and bronze. Note that some cotton fibers may shed during initial use due to the fine cotton polishing wheel. - Professional Design: Crafted from high-quality cotton, each disc features thick concentric stitched circles that enhance durability and allow for greater pressure application. The polishes are color-coded for easy identification, ranging from coarse to fine. - Functional Compatibility: The 6-inch polishing discs come with a 1/2-inch center hole, making them compatible with most double grinding machines. This polishing kit is designed to help you achieve a smooth, mirror-like finish on various surfaces, making it suitable for many projects. - Comprehensive Package: The set includes 1 soft polishing wheel (30 layers), 1 fine polishing wheel (60 layers), and 1 medium polishing wheel (40 layers). Additionally, it comes with 3 polishing and cutting pastes and 2 self-adhesive non-woven films. - Practical Applications: Perfect for automotive restoration, jewelry making, or household metal maintenance, this polishing disc set ensures you can tackle both professional and DIY projects efficiently. Whether you're looking to refine the finish on a metal sculpture or polish your kitchenware, these discs provide the performance you need.