This is a combination of an Aluminum base plate plus a 140 grit diamond impregnated pad. These Atoma plates are actually coarser than the DMT XXC plates even though they are rated at 140 grit (different grit). Measures 75mm x 210mm (roughly 3" x 8").
scales). Because the diamonds are arranged in a dot pattern rather than a continuous surface, there is less tendency for them to 'stick' to the stones when lapping. Also useful for lapping abrasion resistant steels
and doing initial bevel setting and changing bevel angles.
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