SIT  T80 80mm x M14 Steel Crimped Cup Brush  Crimped Wire Cup Brushes are good for cleaning large areas efficiently and are not as aggressive compared to Twist Knot wire brushes. Good for use on flat surfaces. M14 fitting for 115mm and larger machines Cleaning of large metal surfaces Weld scale and corrosion removal Pre-paint surface preparation Ideal for cleaning welds and fabricated steelworks Suited for use on appropriate angle grinders