Comprehensive 53-Piece Set: This set features 50 diamond-coated discs in three distinct grits (30 , 10 blue, 10 black), complemented by 2 versatile shanks (round and hex) and a 1/4inch roll lock holder. The quick-change mechanism enhances workflow, making it ideal for prolonged projects. Enhanced Durability and Efficiency: Equipped with diamond-coated nylon mesh, these discs offer superior grinding efficiency and durability. They are designed for high-speed polishing and are perfect for demanding tasks such as rust removal, ensuring a longer lifespan and reducing the need for frequent replacements. Universal Compatibility and Precision: The included 1/4inch roll lock holder ensures a secure fit with most drills, die grinders, and rotary tools. This universal compatibility is crucial for achieving professional-grade results in tasks like paint stripping and metal refining. Versatile Multi- Application: Ideal for use on a variety of materials including metal, wood, concrete, and fiberglass. These discs operate efficiently, producing minimal dust and maintaining the integrity of the original-surfaces, even suitable for wet materials. Targeted Cleaning and Material Removal: Perfect for detailed jobs such as smoothing weld joints, polishing ceramics, and deburring oil pipes. The aggressive diamond grit of the discs ensures quick material removal while preserving the quality of the . Color: As Shown Material: Nylon Silicon Carbide Package Contents: 30 * Grinding Tablet 10 * Blue Grinding Tablet 10 * Black Grinding Tablet 1 * Tray 2 * Rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.