Counter-Pen/Colony-Counter, Combination marker/digital counter suits both laboratory and plant use, Each

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Fisherbrand™ Counter-Pens can be used to count cell growth on Petri dishes, inventory parts, or tally samples received. Combination marker/digital counter suits both laboratory and plant use. Perfect as a Colony counter.Each time a mark is made with the felt-tipped pen, the counter beeps and its easy-to-read LCD displays the count.Marks hold your place while counter tracks your totalTouch, sound, and count occur simultaneouslyCounter reads to 99,999Fail-safe resetOrder InfoLength: 6 in. (15.2cm). Weight: 1 oz. (28.4g)