Crimped Wire wheels with Arbor hole - are intended for use on straight grinders and stationary machines such as bench or pedestal grinders and buffing lathes. Provide a flexible brushing action and consistent performance for demanding light-duty cleaning and deburring applications. Highlights: steel - crimped wire designed to prepares surfaces before painting or welding shank diameter: 1/4" Arbor Hole: 1/2" X 3/8" Type: coarse grade diameter: 4" Maximum Speed: 4, 500 usage: Used to remove rust dust paint from grills, Lawn furniture, iron fences and railings carded