Friction rods come in a variety of materials and are used to experiment with and to observe friction. This rod is solid glass.
Sold in a pack of 10 solid glass rods.
WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.