3M Ninja Trizact Assortment Pack, Green, Red, Blue, Orange (3 of each) 3" Diameter

• Kit includes trizact discs of 35, 20, 10, 5 micron each; 3 of each grade
• Perfect for high-speed steels, it allows sharpening of a wide array of woodcarving and turning tools and knives
• Fine hone and maintain the tips and edges of flat chisels, drill bits, counter sinks, fluted end mills, etc
• Fantastic results on jewelry: performs better than emery paper and fills porosity
• Also works great on plastics and for glass defect repair

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