Sand-O-Flex Glue Bond Refills, 100 Grit, 1 X 19, Unscored

Features: 1 in wide abrasive strips backed by 8 cushioning brushes for good conformability | Refills are available both scored (for finer, less aggressive work) and unscored | Load quickly and easily by turning the index knob as needed, allowing you to change grit size in minutes | Fit most electric drill and bench grinders | RPM will accommodate most electric drills