Specially formulated for use with Flex Hones. Contains both honing and lapping oils in a petroleum base that will not harm aluminum, brass or steel. (Use of other oils destroys abrasive ball and voids guarantee.)
Big Book Catalog, Issue:65, Page:483
Big Book Catalog, Issue:65, Page:489
Big Book Catalog, Issue:65, Page:496
Cowboy Action, Issue:03, Page:034
New Product Supplement, Issue:581, Page:013