1. This strobe arm adapter is constructed from corrosion resistant anodized aluminum alloy and has a o-ring friction gaskets
2. The o-ring in the balls can reduce the ball and clamp surface contact, allows the clamp to grab the ball tightly
3. To support your strobe or video light, the YS head adapter will allow you to get the best lighting angles and improve your image
4. It is usually combined with light holder when attaching the dive torches or scuba lights
5. It allows you to control its movement when used with small or large flashlight
