Replacement tip for colony counter 14211-02, black

Hand-Held Electronic Colony Counter simultaneously marks and counts bacterial colonies; audible signal confirms contact for accurate counts. Selector switch lets you count up or count down to verify totals. Oil- and water-resistant felt-tip marker works on plastic and glass dishes.
Counter includes two markers (red and black) and one 3V battery—order replacement marker tips and battery separately below. Dimensions: 3/4'' W x 6-1/2'' H x 3/4'' D.