This Kinik grinding wheel is a high-quality abrasive material suitable for cup grinding. It has a diameter of 4-7/8 inches and a thickness of 2 inches, with a wheel hardness of K and a maximum speed of 4585 RPM. The aluminum oxide material is perfect for grinding on metalworking surfaces, and the wheel is designed to have an arbor hole size of 1-1/4 inches. This unit is a great addition to any metalworking facility, and it is made in Taiwan with precision and care. The Kinik brand is known for its durable and reliable products, and this grinding wheel is no exception. It is sold in a unit quantity of 1 and is categorized under Cup Grinding Wheels, Abrasive Wheels, and Abrasives. Get this high-quality product today and take your metalworking to the next level.