Color and Applications : GREY (Ultra hard bristles) - Cleans through metal,Brick wall dust , De-Scaling ,Industrial cleaning and other hard surfaces. How to use : Attach and fix this cleaning tool to your drill machine Safety : Please ensure the tool is properly inserted at the drill machine. Includes a 5.25- inch diameter nylon bristle brush with 1/4" (8mm) shank used with most drills Size : 5.25 inches , material : plastic
