LEOBEN Dive Light YS Mount range from the diameter of 22mm to 38mm . it is made of plastic material and allows underwater torches to be attached to a Flex Arm ,YS light arms .
The dive light holder has a YS type connector for an optional YS lighting arm, which can be connected to the grip handle on a camera housing tray. This setup will allow you to use the light for focusing or video illumination while shooting underwater with your camera.