DIAMOND RIFFLER FILES Master carvers know the secret to shaping & finishing hard to reach areas is specially shaped files known as rifflers. Diamond grit rifflers are a major improvement on this indispensable tool. Ordinary riffler file teeth cut only when pushed one way. Our extraordinary diamond rifflers cut in any direction & unlike ordinary steel rifflers will practically never get dull or clog. Tough enough to cut steel, they feature permanently bonded diamond grit, the hardest substance on earth. Sets include the most useful shapes for carving & storage case. Length: 5.5″, Shank: 3mm.