Check the listing for details. 3 INCH BRUSH MANDREL MOUNTED BRMBMC3008 Brand New!. Condition: New. Listed at 23.99 USD. Features and Benefits:�BRM BMC3008 Mandrel Mounted Brush Wire Brush�Proudly made in the USA�3" Diameter, Made with .008 Carbon Steel Filament�1/4" shank diameter�Ideal for internal pipe cleaning, carbon removal, flash removal, and light rust and scale removal�Brush Research�s mandrel mounted copper center wheel brush 3.0” diameters. These small diameter wheels come in either carbon steel and stainless steel filament. Ideal for internal pipe cleaning, carbon removal, flash removal, and light rust and scale removal. Constructed on 1/4" diameter shank which eliminates the need for separate adaptors when installing in chucks or collects of portable tools or drill presses. Designed to operate at high speeds (MSFS 25,000). Proudly made in the USA.