Emery Coated Leather Round Hole Punch Polisher Emery coated surface for 300 mesh polishing: provides efficient grinding and sharpening of round hole punches in various sizes, including HY and other conventional sizes. This coating helps restore sharpness and improve cutting performance. Stainless steel construction: made from stainless steel for durability and long service life. Designed for manual sharpening and built to withstand repeated use in a busy workshop. Wide range of sizes: outer diameter conical range from a minimum of 2 mm to an unlimited maximum size. Inner diameter conical range from a minimum of 1 mm to a maximum of 5 mm. Offers compatibility with different hole punch sizes. Sleek silver design: modern, professional appearance that fits well in a leatherworking toolkit and adds a refined look to your sharpening station. Use scenarios Rejuvenate worn leather hole punches: restore sharpness for cleaner, more precise holes when working on belts, wallets, bags, and other leather goods. Prepare punches: sharpen and polish punches to achieve clean cuts from the start, improving workmanship and reducing fraying. Routine workshop maintenance: use during regular maintenance in a leathercraft or upholstery workflow to keep HY and other common punch sizes performing consistently.