Single D Cell Battery Holder The valves can also show

The valves can also show the opening and closing

suitable for various scientific applications and experiments

and Environment

this model serves as an effective teaching tool for students studying anatomy

Engraved Coil Values: The coil values are engraved on the plate for easy identification

Single D Cell Battery Holder The valves can also showIncluded: 5 x Heavy Duty Single D Cell Battery Holder Cell Holder. High quality easy to load and easy to remove cell holder for holding standard D size batteries. Improved accuracy and robustness. It may also be used for the parallel or series combinations of two cells. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.