Mounted Emery Rolls

Use these mounted emery rolls to sand the inside of rings. Mounted on a 3/32" shank mandrel. Because they are pre-mounted, you are able to tear off the used portion of your strip to expose a fresh layer. Rolls require no truing. Sold individually. Measures 1/2" diameter x 1 1/8" length. Maximum operating speed is 16,000 - 22,000 rpm.