The Gator blade sanding disk has a length and width of 4 1/2 in. This disk comes with a medium sanding grade for easy removal of a variety of materials such as masonry, wood and metal. The disc sander paper has a grit of 80 and reinforced with aluminum mineral oxide. This means it has a longer cutting life and can produce the best surface outlines. This product comes with a hook and loop sanding disk that is easily attachable.