1、Aluminum Alloy Material: CNC close processing, surface anodized treatment, durable, corrosion resistance. 2、Hollow Design: Reduce resistance, greatly reduces unnecessary weight and reduces drag when used underwater. Double locking screws for double stability and double protection. 3、Standard Bracket Ball Head: Ball head pillar is durable and not easy to break, convenient to expand the clamping equipment. Such as two hole butterfly clip, three hole butterfly clip. 4、Ergonomic Design: Design according to the characteristics of hand holding and finger bending. Telescopic handle design, can adjust the handle position freely according to the volume of the installation equipment. 5、Underwater Balance Shooting: Handheld dual handle shooting on the surface of the water has the effect of stabilizing the image, and the shooting effect is better.