This stone has super-fine structure and excellent breakdown properties for final finishing prior to mirror (diamond polished) finishing. The 900-F works especially well on P-20 mold steel with a hardness ranging from 29 to 32Rc.
1/8 x 1/4 x 6
12 pcs/box
1/8 x 1/2 x 6
1/4 x 1/4 x 6
1/4 x 1/2 x 6
1/4 x 1 x 6
1/2 x 1/2 x 6
1/4 x Triangle x 6
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