Tube and Pipe Brush, Bristle Material Polyester, Handle Material Not Applicable, Brush Diameter 0.8 in, Brush Length 7 in, Handle Length Not Applicable, Bristle Color Blue, Chemical Resistant Yes, Acid Resistant Yes, Application Pipes and Tubes, Bristle Firmness Medium, Bristle Length 3/4 in, Brush Width 51/64 In., Color Coding System Yes, FDA Compliant Yes, Handle Color Blue, Overall Length 7 1/8 in, Temperature Resistant Yes