[ Accurate Size ]: diameter 6 inches, width 1 inch, hole, hole. Our CBN grinding wheels will undergo size control before leaving the factory to perfectly match your desktop grinder. Please confirm the size before placing the order [ High quality and ]: This CBN wheel is coated with the best CBN grains. And fully nickel plated with nickel, it has high compressive strength and good shape retention. No matter how long it is used, it will not deform, so you don't need to adjust the fixing device or trim the grinding wheel Absolute Balance: The CBN sharpened wheels have passed balance tests, so they 't shake when installed on your bench grinder. Even on the most common grinder, you can use this wheel for the most accurate grinding. The recommended speed is 1000 rpm to 3600 rpm [ Professional Manufacturer ]: Our CBN grinding wheels are characterized by high compressive strength, low heat generation, good abrasive shape retention, and long service life. This is the for grinding turning tools, chisels, planers, wooden turning tools, high-speed steel cutting tools, etc type:800 Grit Colour:Silver Material:CBN material Size:15 x 2.5cm Package Contents: 1 x Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.