Moore Maker Inc. is a Texas premier manufacturer of Western knives, knife accessories, fence building tools, shears and scissors, and de-horners. Moore Maker also carries a varied supply of miscellaneous ranching and cowboy equipment. Moore Maker specializes in QUALITY and customer service. This particular eraser is 3-1/4" x 2" and is made os a fine rubberized grit. It will help remove tarnish, and or rust off of most metal surfaces.