Tovatec FUS530ADP Fusion 530/1050 Torch Adapter
Fusion 530/1050 Light Adapter – Allows light to fit onto a tray arm to use as a video light. 31mm diameter. The adapter’s ring, which fits around the light, measures 3.1cm (1.2 inch) diameter. Below the ring, a large knob on the side allows for easy turning with or without diving gloves, so that you can slide the bolt in and out of the holes in the adapter and the lighting arm. Additionally, a wing nut is easily threaded onto the other side to let you tighten and loosen the bolt.