These nail grinding heads are sturdy enough for your use, not easy to fade and damage. The sanding heads are good nail art tools that are applicable for the use in the home and manicure salon. Great tools for any beginner or professional manicurist, easy to clean and store, enough quantity for you to use. Features - Material: Aluminum abrasive. - Size: About 4.00X0.50X0.50cm/1.57X0.20X0.20inch. - Made of high-quality and environmental-friendly material, durable and practical for long time use. - The manicure sanding ring is lightweight, compact and portable, polishing nail at will. - Great nail polishing tool for professional nail art shops, home, beauty shop, hair salon, etc. - The set contains a large quantity of sanding bands, which can meet your needs for replacement. - Suitable for manicure polishing, natural nail grinding, removing dead skin and nail glue, etc.