3M Trizact Diamond Polishing Wheel 685DC 1A8, 5 in x 1/2 in x 1-1/4 in 10 Micron The 3M Trizact Diamond Polishing Wheel 685DC incorporates advanced 3M technology to deliver a smooth, mirror finish on a variety of tool materialsIt can be integrated seamlessly into existing manufacturing processes on a variety of CNC grinding machines. Product Information Brand 3M Part # 7100019055 Origin Country USA Product Information3M Trizact engineering means as the wheel wears fresh diamond mineral is exposed to the workpiece delivering a repeatable and consistent finishAllows automated polishing on many CNC machines and other automated equipmentConstruction generates less heat and friction so tools last longerDelivers fast, consistent results on carbide and high-speed tool steelsImproved tool aesthetics and performance please customersProduces a smooth, mirror finish that helps cutting tools last longer, cut faster