Hook Brush, Bristle Material Polyester, Handle Material Polypropylene, Brush Diameter 2.17 in, Brush Length 15 1/2 in, Handle Length 5 1/4 in, Bristle Color Blue, Chemical Resistant Yes, Acid Resistant Yes, Application Pipes and Tubes, Bristle Firmness Medium, Bristle Length 1 in, Brush Width 7 7/8 in, Color Coding System Yes, FDA Compliant Yes, Handle Color Blue, Overall Length 14 1/8 in