Description
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
Glass prism with a 5-degree apex and 5° x 5° x 170° angles
fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction
and graduated screens
Test Tube Glass, 14x130 pk/48 Pack Size_15 Triple tandem plastic pulley withNote: This product does not have an image. If you require one before making a purchase decision, please contact us.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























