All of these
flexible abrasive cords & tapes can be used by hand. However, the
48 can also be used with speed chucks, drills & other power tools.
It can finish hard-to-reach places that are inaccessible to most conventional
tools. Deburr, grind & polish holes, slots, grooves, curved and carved
surfaces by hand. Use the flat tapes or round abrasive cords on metal,
plastic or wood.