A boss head clamp, also known as a right-angle clamp, is used for attaching another clamp or rod to a ring stand or extension rod. The boss head clamp will accept rods up to 5/8 inches in diameter and are made with a cast-metal body and nickel-plated thumb-screws.
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.