Description Mirka Galaxy is a next-generation high-performance abrasive, engineered for maximum durability and efficiency. With its self-sharpening ceramic grains, dust-repellent coating, and the innovative Multifit™ hole configuration, Galaxy delivers a faster, longer-lasting, and cleaner sanding experience. The self-sharpening abrasive Dust-free with Mirka sanding system Clog resistant Long lasting For use on many applications For hand sanding or machine sanding Self-sharpening ceramic grains for longer use Mirka Galaxy Abrasive Discs 200mm are for the Mirka ROS2 Pneumatic Two-Handed Sander. Mirka Abrasive Discs feature a hook and loop back making it easy to attach to your sander.