Tube and Pipe Brush, Bristle Material Polyester, Brush Diameter 3 in, Brush Length 5 1/2 in, Handle Length Not Applicable, Bristle Color Yellow, Yes, Acid Yes, Application Pipes and Tubes, Bristle Firmness Medium, Bristle Length 3 in, Brush Width 3 In., Color Coding System Yes, Compliant Yes, Handle Color Yellow, Overall Length 6 1/8 in, Temperature Yes