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3m Radial Bristle Disc 3/4"

Great for cleaning and maintaining hard to reach areas on platinum, gold, silver, copper, pewter and brass pieces.

Embedded mineral abrasive is harder than most metals. Removes oxides without messy compounds.

These discs do not generate the same amount of heat as rubber wheels do. Can be used individually, or stacked.

Note: Bristle brushes up to 1" diameter use with mandrel hole 116" or 18".

No.            Grit or Mesh     Diameter     Color

10.3501             80                      34"          Yellow

10.3502            220                     34"          Red

10.3503            400                     4"         Blue

10.3504           Pumice                34"          Pink

10.3505           6 Micron             34"          Peach

10.3506           1 Micron             34"          Lt. Green