The flint glass rods are 5mm outside diameter and 24 inches long. Sold in a case of 10 pounds or 150 rods. The ends are cut and not fire polished.
PRODUCT WARNINGS
WARNING: This product can expose you to chemicals 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.