The product is a set of two boxes of SAIT 20060 grinding wheels, each containing 25 wheels. These Type 27 grinding wheels have a diameter of 4-1/2 inches, a width of 1/4 inch, and a length of 7/8 inch. They are designed for grinding applications and are lightweight, weighing only 4-1/2 inches. With a brand known for quality, these grinding wheels are a reliable choice for various workshop and tool needs.