- The friction seal O-ring is designed for non-slip performance, preventing direct contact between the ball head and clamp, which minimizes the risk of scratches and damage. - Featuring a convenient screw interface, the double ball arm allows you to easily connect additional devices using a standard 1/4 inch screw, enhancing your setup flexibility. - With its double ball head design, this arm seamlessly connects to diving light frames, making it ideal for underwater photography or videography. - The ball head rotates 360 degrees, providing smooth movement without burrs, ensuring a comfortable grip and easy adjustments during use. Applications include: 1. Underwater Photography : Securely attach your diving lights to capture stunning images and videos without worrying about scratches or equipment stability. 2. Camera Stabilization : Use the double ball arm to enhance stability and versatility when mounting cameras or lights in various positions. 3. Action Sports Filming : Perfect for securing equipment during extreme activities, allowing fluid motion and easy adjustments on the go. With its reliable construction and versatile functionality, this double ball arm is an essential tool for photographers and videographers seeking quality and performance in their equipment.