Tube and Valve Brush, Handle Style Straight, Bristle Material Polyester, Handle Material Polypropylene, Stainless Steel, Brush Diameter 0.39 in, Brush Length 6 in, Handle Length 14 in, Bristle Color Blue, Yes, Acid Yes, Application Bottles, Pipes and Tubes, Valves, Bristle Firmness Stiff, Bristle Length 3/8 in, Brush Width 7/8 in, Color Coding System Yes, Compliant Yes, Grip Material Polypropylene, Handle Color Blue, Overall Length 19 3/4 in