Ward Zooplankton Counting Wheel Spring Scales As the twine feels soft

As the twine feels soft

Forged from 1 piece steel

Can it operate from a vehicle battery

Product Code: 5665

this item is ordered in from the manufacturer as required

Ward Zooplankton Counting Wheel Spring Scales As the twine feels softProduct Code: 1810 E90 Easy, simple way to count zooplankton Clear PVC construction designed for use under a binocular dissection microscope (low power stereoscope) This durable device provides an accurate, simple way to count zooplankton, as referenced in Standard Methods. Precision made of clear plastic for easy cleaning and durability. comes with a 4 square acrylic base. With clear PVC, you can use an alcohol preservative. It is slightly blue