Inon make a very high quality arm system, that is similar to Ultra Light. Very high quality, fully machined alloy components, with quality silicon o ring fitted to each machined ball and with the highest quality of anodizing. Generally fully interchangeable with Ultra Light and old TLC arm components due to common 25mm/1" ball diameter. Their range is impressive and always growing.

Ultra Light Control Systems makes probably the worlds largest range of underwater arms and trays. All arms are fully machined alloy and adapters have an o ring in the ball portion. This greatly increases the friction forces at the joint, therefore keeping the arms where you put them. Ultra Light offers a full line of adapters for all strobes and most video applications, along with a huge line of accessories. Generally fully compatible with Inon and old TLC components.