Carborundum Silicon Carbide Grinding Wheel Size: 8 inches Thickness: 1″ Hole Diameter:5/8″ Grit: 80 Color: Green Maximum RPM: 3,103 Made with high-quality silicon carbide abrasive Fast and efficient material removal Suitable for grinding and sharpening hard materials Produces a relatively smooth, clean finish Designed for use on compatible bench and pedestal grinders Available in various sizes and grades for different applications