3Ms Flexible Diamond bands and discs are made from a two-ply polyester
backing film evenly coated with diamond filled nickel plated dots. Clean
and unload with the A-AC1 Abrasive Cleaner or A-HB58 Brass Brush. Use
wet or dry. Use to grind, sand and smooth on these materials: glass,
stone, wood, carbide, steel, bone, composites, exotic alloys, chrome
cobalt, plastic, gypsum, painted or plated surfaces, enamels, and
10-pack of 3/4 inch dia (19mm), 40 micron grade/400grit PSA (pressure sensitive adhesive) discs. Use with A-M4 disc mandrel. Made in USA. 15,000 RPM Max Speed.