Perfect for use with Typhoon Carbide Burs and Sanding Sleeves for removing dust or chips from between rows of carbide points. Caution do not use a file card or steel brush to clean Typhoon burs and sleeves. 5/8" wide x 5 3/4" long with Bristles 3/8" wide x 1 3/4" long x 5/8" height. Style A-HB58.