These lid are designed to fit our 30ml high-form crucibles (#CHF-30). Sold in a pack of 20 lids.
WARNING: This product can expose you to chemicals including nickel oxide, 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.