1、Premium Aluminum Alloy: The camera articulating arm is made of premium aluminum alloy, CNC process, anodized, with comfortable touch. 2、Specially Designed: The ball head knobs on both sides of our camera articulating arm are specially designed, and the diamonded pattern is engraved, which is more labor saving to use. 3、Screw Holes: The middle connecting rod of the camera articulating arm is designed with one 3/8in screw hole and two 1/4in screw holes. 4、Maximum Connection Length: The maximum connection length of the camera articulating arm is 23cm, and the angle of the support method can be adjusted 360 degree through the ball head. 5、Screw Interface: The knob handle position on the top of our camera articulating arm has 1/4in, 3/8in screw interface, which makes it has stronger expansion.