The 9.Solutions 5/8" Gag - Dual Knob is a gag head that enables independently tightening and clamping of either side of the gag. It features a larger sized cup and ring then the other 9.Solutions gags which makes it ideal to be used as a regular Gobo/grip head.
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.