Description 20PCS Set Stone Carving Set 3mm Shank Stone Rotary Grinding Bit Set for Glass Metal Jadestone 1Efficient And Time Saving: The stone carving set allows for efficient and fast grinding, saving you valuable time on your projects. You can experience sleek and accurate results for all your grinding, polishing, and cutting needs. 2High Accuracy Grinding: The stone rotary grinding bit offers fine detailing, polishing, and cutting capabilities for various materials, which can achieve accurate and intricate designs with ease. 3Good Compatibility: With a universal fit design, these stone grinding bits can be easily attached to various rotary tools, making them compatible with different brands and models. Enjoy seamless compatibility and easy installation. 4Wide Application: Ideal for wood carving, jadestone, and marble, this emery burr bit provides versatile use for both professional craftsmen and DIY enthusiasts. It enables you to unleash your creativity and bring your artistic visions to life. 5Durable Emery Material: Made with excellent emery material, this grinding stone set ensure long lasting performance and excellent abrasion resistance. They are designed to handle demanding tasks without wearing out quickly.