With the Norton silversmith precision file 90 IN.FF444, you can deburr, sharpen, and finish delicate tools with outstanding control. Its slim 102x13x2 mm profile easily reaches into narrow grooves, dies, and intricate contours where standard flat whetstones cannot fit. Made from fine India aluminum oxide, it delivers a keen, sharp edge while protecting surrounding workpiece surfaces from unwanted damage. The durable stone maintains its flat shape under repeated use, ensuring a consistent and uniform finish every time. Used with a suitable honing oil to prevent surface clogging, this oilstone file gives you the precision required for high-tolerance instrument making and fine mechanical work.
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