With the Norton MF144 triangular abrasive file, you can accurately sharpen and deburr areas that flat bench stones cannot reach. The triangular profile lets you easily access tight internal corners, V-grooves, and edges on dies, molds, and cutting tools. Made from medium India aluminum oxide, it delivers consistent material removal and creates keen, long-lasting edges while protecting adjacent surfaces. Its compact size of 102 mm in length and 13 mm in thickness gives you total control during delicate hand-finishing tasks. Using honing oil ensures smooth cutting performance and prevents the stone from loading during precision work.
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