Grout Brush Head, Tool Type Grout Brush Head, Bristle Material Polyester, Brush Length 8 7/8 in, Bristle Firmness Stiff, Bristle Color Yellow, FDA Compliant Yes, Acid Resistant Yes, Color Coding System Yes, Bristle Length 1 5/8 in, Connection Thread Type European, Handle Connection Type Threaded. This item has been restricted from sale in the following state (s): []