


Niwaki Twin Diamond FileDouble sided diamond file for coarse sharpening and re setting old blades. This is what we use when you send in battered old shears and secateurs with nicked and chipped blades the #120 side eats through the steel to a new edge, then the #300 gives a crude finish before moving over to a whetstone to get a decent edge. Use dry. Indispensable. Essential for fixing damaged blades, but also useful for sharpening rough edges like mower blades. 50g 217 x 18
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Reviewed in the United States on May 2, 2026
★★★★★ 5
just as good as twice price ones
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