Jet 5/8"-11NC Crimped Wire Cup Brush - 5"High performance crimped cup brushes designed for medium duty cleaning tasks. Made with long lasting bristles to provides uniform performance at high speeds and performs well on both flat and curved surfaces. JET crimped wire cup brushes are made with quality piano wire (tempered high carbon steel) for fast brushing action and maximum life Designed for surface cleaning rust and paint removal and light deburring on large flat surfaces Also ideal for