This Kit is a 21-pc replacement set of 3-inch 3M abrasives for Grinding, Shaping, Sharpening, Honing & Lapping. Stick these onto your existing 3-inch diameter Backpads and 3M Bumpon™ Cushion pads.Includes 2 types of abrasive material: 3M™ Purple Ceramic and Trizact™. Comes with 3 of each grade of the following: 80, 120, 220 Grit Ceramic & 35, 20, 10, 5 Micron Trizact™ > For the DELUXE Abrasive Kit already pre-mounted on Backpads and Cushions, click here < The 3M PURPLE CERAMIC CUBITRON is an excellent multi-purpose grinding and sanding abrasive. The material is self-sharpening. Its long life & uniform cutting action are the best in the industry.JEWELRY applications: Great for grinding sprues from raw castings, shaping the shank of a ring. Quickly takes down excess solder on silver, gold, platinum, etc.WOODWORKING applications: Awesome sharpening abrasive. Regrinds tool edges that have been damaged or rounded over: chisels, woodturning tools, counter-sinks, drill bits, etc. Its aggressive bite & non-loading properties are ideal for sanding wood as well as for use on various non-ferrous & tool steels.AUTOMOTIVE applications: Perfect for shaping metal, deburring tubing and any custom metal fabrication. ---- The 3M TRIZACT are the best fine sanding and honing abrasives on the market. These 3-inch discs leave a high-polished finish. Produced with 3M’s new MicroReplication technology, the micropyramids deliver fast, consistent cutting action through their long life. Expect amazing results when combined with 3M Bumpon™ Cushion pads. JEWELRY applications: Fantastic results on jewelry: performs better than emery paper & greatly reduces the number of steps of "lapping". Also works great on plastics and for glass defect repair. AUTOMOTIVE applications: Perfect for sharpening any high-speed steel machining/cutting tools. Get crisp edges on valve seats and stems, hone small parts of almost any shape.WOODWORKING applications: Perfect for high-speed steels, it allows sharpening of a wide array of woodcarving & turning tools and knives. Fine hone and maintain the tips & edges of flat chisels, drill bits, counter sinks, fluted end mills, etc.
