Tube and Valve Brush, Handle Style Straight, Bristle Material Polyester, Handle Material Polypropylene, Stainless Steel, Brush Diameter 1.57 in, Brush Length 5 in, Handle Length 13 3/4 in, Bristle Color Yellow, Yes, Acid Yes, Application Bottles, Pipes and Tubes, Valves, Bristle Firmness Stiff, Bristle Length 1 5/8 in, Brush Width 1-5/8 In., Color Coding System Yes, Compliant Yes, Handle Color Yellow, Overall Length 19 3/4 in, Temperature Yes