Makita A-69032 Grinding Wheel, 60 Grit (Coarse)Makita A 69032 Get sharp blades, knives, and scissors with the Makita Grinding Wheel, 60 Grit. For use with the Makita Blade Sharpener (98202, sold separately). The wheels utilizes a course grit for sharpening. These wheels are designed to reach a maximum speed of 1,200 RPM. Key Features APPLICATIONS : For sharpening blades, knives and scissors DESIGN : 60 Grit (coarse) EFFICIENCY : 1,200 RPM maximum speed PERFORMANCE : For use with Makita Blade