CAMVATE 15mm Quick Release Rod Clamp (Red Ratchet Knob) Holds a 15mm Rod, 3 x 1/4"-20 Threaded Holes, 1 x 3/8"-16 Threaded Hole, Quick Attachment & Detachment, Red Ratchet Knob, Rotating Shaft & Hinge Structure, Aluminum Alloy Construction VIDEO PROF...