Tube and Valve Brush, Handle Style Straight, Bristle Material Polyester, Handle Material Polypropylene, Stainless Steel, Brush Diameter 2.36 in, Brush Length 5 3/4 in, Handle Length 13 1/2 in, Bristle Color Red, Yes, Acid Yes, Application Bottles, Pipes and Tubes, Valves, Bristle Firmness Medium, Bristle Length 2 3/8 in, Brush Width 2 5/8 in, Color Coding System Yes, Compliant Yes, Grip Material Polypropylene, Handle Color Red, Overall Length 19 3/4 in