1. Product description: - An additional diamond layer to extend the service life. - A thicker disc, featuring high strength, durability, and low heat generation. - A higher rotation speed, enabling the machine to run faster. - Harder embedded grits, without a coating like the cheap discs on eBay. - Both sides of the disc are coated to maximize the service life. - Embedded diamond grits that will not peel off, stop working, or fall off. 2. Material: Electro - plated silicon carbide 3. Specification: 100mm 4. Thickness: 1.6mm 5. Inner hole: 20mm 6. Maximum rotation speed: 14500 7. Packing list: 2 * Diamond cutting discs 8. Notes: - Due to various factors such as monitor brightness and lighting brightness, the actual color of the product may slightly differ from the pictures on the website. - Slight deviations are allowed for manual measurements.