Support Ring Clamp 3” Outside Diameter - Ideal for Industrial Labs, Schools, and Homeschool Laboratories. Pack Size of 10 Clamps.

These support ring clamps are made of a one-piece plated-steel construction, and are intended to hold flasks or other labware on a support stand. This ring has a diameter of 3". Sold in a pack of 10 support rings. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel and lead, 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.