【Size】Diameter: 6 Inch, Arbor Hole: 1/2 Inch, Thickness: 1 Inch, Grit 180. 【Material】Grinding wheels are made from an aluminum core, which is lighter in weight than steel and will run smoother on all grinders.The aluminum body does not rust and therefore has a longer service life. 【High Quality】UF-SHARP CBN wheel never need "Truing" or "Dressing" , no need to adjust .They can make an inexpensive grinder perform almost as well as an industrial grinder.1/2 inch arbor fits most 6 inch bench grinders. 【More professional】: Compared with the traditional diamond grinding wheel, the CBN grinding wheel generates less heat and is sharper, which is more suitable for grinding high-speed steel woodworking tools. 【First-Class Quality】UF-SHARP has been engaged in the development and production of various abrasives for many years. Product quality and customer experience are our top concerns. If there is any quality problem with the product, please feel free to contact us, and we will provide you with a free replacement or refund as soon as possible. 【Notice ! ! !】 Some sellers pretend that diamond grinding wheels are CBN grinding wheels. For grinding high-speed steel, diamond grinding wheels are far inferior to CBN grinding wheels. UF-SHARP CBN grinding wheel is manufactured by industrial electroplating method, the diamond sand has strong adhesion and good ability to maintain the shape of abrasive grains, which is more wear-resistant than ordinary diamond grinding wheel. This grinding wheel has high rotation speed, is not easy to get hot, and has high load resistance, which is suitable for high-demand occasions. This CBN grinding wheel is suitable for grinding wood turning tools (HSS only). Great for sharpening projects and contour grinding. This grinding wheel is suitable for bench grinders, and its stability and wear resistance will help you to finish your work perfectly.