The Manfrotto Panel Clamp w/ 5/8" Socket is able to clamp onto round and square tubes from 22 mm to 30 mm. Ideal for supporting Matthews round tube gel frames or hanging objects from pipes. The socket measures 5/8", standard size for various grip equipment.
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.