Norton Wire Brush, Clipper 4" Wire Wheel for Angle Grinder, Stainless Steel Wire Brush for Cleaning, Knotted Wire Metal Brush, Pack of 1 Features Norton Clipper Wire Brushes and Wheels provide a pristine and professional performance for cleaning and deburring on various surfaces including steel, ferrous metals and stainless steel This wire wheel is designed with a specialized stainless steel wire that pairs best with aluminum, brass, copper, stainless steel and wood Ideal for heavy jobs with a medium coarse wire diameter, while a wheel design will help clean and refurbish on narrower surfaces Twist Knot wire brushes such as this one are built with straight wire filaments that twist together to create a rigid rope design, ideal for aggressive applications that require higher impact Wheel size is 4 inches and will operate up to 12,500 RPM. Comes as a pack of 1 USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.