This comprehensive set ensures seamless compatibility with electric grinders and engravers, enabling quick setup and efficient workflow for metal finishing projects Enhances your metal grinding efficiency with this 10 piece rotary burr set, 3 times longer wear resistance and a 50% cutting speed boosts thanks to its two edged design for high intensity applications Designed for mechanics, and professional in auto repair shops or watchmaking, these electric tool accessories reliably for demanding industrial and hobbyist tasks Crafted from premium alloy, these rotary burr bits feature a 6mm two cutting structure and universally 6.35mm shank, eliminating the need for adapters while providing versatile shapes like cylinder, cone, and ball for precise deburring Perfect for high strength metal polishing in workshops or intricate deburring of soft metals like aluminum and copper in complex areas such as curves and grooves, achieving a smooth Ra0.8μm finish, Manufacturer: jklymm