3M - 0.3mic S/O PSA Lapping Film 8-1/2"x11"-White
These revolutionary abrasive films, developed by 3M, are manufactured to an extraordinary level of precision and durability. The abrasive is bonded with resin to a very tough, waterproof mylar...
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The 12 micron (#1200 grit) quickly removes steel, while the 5 micron (#2500 grit) refines and produces a keen edge. The 0.3 micron (#18000 grit) leaves a mirror finish. For the best edge, use the 1 micron (#8000) prior to the 0.3 micron. They are supplied on PSA 8½˝x11˝ sheets. One sheet can make a number of specialized hones and strops.Purchase any 5 sheets and save 10%.