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 Red 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 Red Overall Length 7 1/8 in Temperature Resistant Yes