Hard densities offer good edge retention, which helps maintain consistent shape and cutting action Compressed, open-web construction and uniform grain distribution provide consistent cutting action Includes 3M™ Roloc™ Quick Release System for quick and easy disc changes The Scotch-Brite™ Roloc™ EXL Unitized Wheel is strong and effective for edge deburring and finishing. Manufactured with compressed, non-woven fibre construction and uniform grain distribution, this wheel produces consistent, professional results for weld polishing, deburring aircraft parts, or blending and finishing on a variety of metals, plastics, and composites. This wheel includes a Roloc™ Quick Change Attachment for quick and easy change-outs.