This Norton Abrasives Depressed Center Wheel is a high-quality product that is perfect for your grinding needs. With a wheel diameter of 4 1/2 inches and a thickness of 1/2 inch, it's suitable for a variety of materials. The non-woven depressed center disc is made of ceramic abrasive material, giving it a long-lasting and consistent performance. The wheel has a grade feature and is suitable for grinding and blending applications. It comes in a custom bundle of one each and is manufactured in Mexico. The Arbor Hole Size is 5/8 in-11, Battery Included is No, and the California Prop 65 Warning is N. This wheel is perfect for use in metalworking supplies, CNC, and manufacturing businesses.