Hook Brush, Bristle Material Polyester, Handle Material Polypropylene, Brush Diameter 2.25 in, Brush Length 15 1/2 in, Handle Length 5 1/4 in, Bristle Color Orange, Yes, Acid Yes, Application Pipes and Tubes, Bristle Firmness Medium, Bristle Length 1 in, Brush Width 2 1/4 in, Color Coding System Yes, Compliant Yes, Handle Color Orange, Overall Length 14 1/8 in