XL-DR All products feature a unique twist on/twist off fixing system. Grade, size or product can be changed quickly and easily. Discs have no centre nut allowing all of the disc surface to be used, reducing production costs. Suitable for use with all types of portable drills, grinders, etc. Can be used 'on-face' as a disc or 'on-edge' as a wheel. Features and Benefits Strong unitized construction provides effective edge deburring and finishing Hard densities offer good edge retention, which helps maintain consistent shape and cutting action Soft densities offer conformability and flexibility for finishing flat, contoured, or irregular surfaces without damaging the part Compressed, open-web construction and uniform grain distribution provide consistent cutting action Convenient 3M Roloc attachment system offers quick and easy disc change-out for multi-step finishing processes