Cole-Parmer Digital Counter Pen 20610-30 sold2026 FITS MOST ARMS: The elastic

FITS MOST ARMS: The elastic band design gives it a large size range

1/2" NPT Male to Male

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010-01338-7B

which exceeds the highest industry standards

Cole-Parmer Digital Counter Pen 20610-30 sold2026 FITS MOST ARMS: The elasticCole Parmer Digital Counter Pen 20610 30 Counter pen is a combination marker and digital counter designed for the lab and plant. Use it to count cell growth on petri dishes, inventory parts, and tally samples received. Counter beeps each time a mark is made ensuring an accurate tally. Lcd simultaneously displays total and can be reset at the touch of a button. Durable ABS plastic pen features on off switch and comes with cap. Unit measures 6''l x 2