Hook Brush, Bristle Material Polyester, Handle Material Polypropylene, Brush Diameter 2.3 in, Brush Length 15 1/2 in, Handle Length 5 1/4 in, Bristle Color Orange, Chemical Resistant Yes, Acid Resistant Yes, Application Pipes and Tubes, Bristle Firmness Medium, Bristle Length 1 in, Brush Width 2 1/4 in, Color Coding System Yes, FDA Compliant Yes, Handle Color Orange, Overall Length 15 1/2 in