The M6 Joint is an optional product to attach the Direct Base III on a Stick Arm or Multi Ball Arm (*1) to hold a strobe or LED flashlight on the middle of arm (*2).
(*1) Unable to attach on the "Multi Ball Arm SS".
(*2) The Direct Base III combined with an arm via this product, can hold single strobe or two LED flashlights with the Clamp III but not able to hold any heavier combination like a..
A lens holder attached on an Arm to carry maximum two M67/28M67 series attachment lens. Compatible product is sandwiched between Lens Holder [screw] and Lens Holder [hole]. The Lens Holder [screw] is usable as M67 Lens Holder S and the Lens Holder [hole] is usable as like M67 Lens Holder for Float Arm as well.