This is an excellent multi-purpose grinding and sanding abrasive. 3M™ Ceramic * 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., SKU: K-4100-9 UPC: 014891158269 Brand: 3M MPN: K-4100-9 Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided.L042D+
