This Clamp mount with 1/4" screw, made of plastics and rubber.
applicable for some cameras,lights, video lights, monitors,gopro hero etc,install on cross bars,tubes,handlebars,tripods etc
Clamping Diameter range:16-40mm(0.6-1.5in),kindly try to measure the Diameter of tube before you purchase it
Rotate the Nut plate upward, it could Lock the device in right place and direction
Easy to Install,multi-angle rotation .If the mount do not meet your need or any question, our customer service are free-hassle for you to resolve your issue and accept replacement or refund .