Stone flattening- conditioning compound in easy pour container. SEC stone flattening compound is a must for maintaining flatness and efficiency of your conventional abrasive sharpening stones. Ultra hard micron graded particles are specifically formulated to cut stone quickly and efficiently. The multi crystalline particles leave a uniform fresh flat surface on your sharpening stones. Suitable for coarse, medium, and fine silicon carbide or aluminum oxide as well as natural type sharpening stones.