Tank Brush, Bristle Firmness Stiff, Bristle Material Polypropylene, Handle Material Not Included, Brush Length 8 1/8 in, Handle Length Not Included, Bristle Color Yellow, Overall Length 8 7/64 in, Yes, Bristle Length 1 1/2 in, Handle Color Not Included, Temperature Yes, Compliant Yes, Acid Yes, Color Coding System Yes