Centrifuge tube brush - 50ml. Brush part 3 inches long, 1 inch diameter at tip tapering back to 1-3/4 inch. Total length 9 inches.
Made of unbleached white hog bristle in body and black nylon in tuft on galvanized wire with tied tuft extended 1 inch.
Forensics Lab Supply Number 3070139.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.