Ikelite 1-Inch Sliding Ball Mount Mark II

Ikelite 1-Inch Sliding Ball Mount Mark II - 408172 Ikelite Product Number 4081.72 Mounts to Ball Arm Mark II Extensions for the addition of a lightweight accessory in the middle of your arm system. A three-pronged wing nut provides adjustability to slide your accessory up and down the length of the arm to reposition lighting easily during your dive. Requires a Ball Arm Mark II Extension, sold separately. About Our Ball Arm System Mark II The ever-growing selection of lighting accessories on the market demands a mounting system that's highly expandable, flexible, and streamlined. In answer to this need, the second generation of our 1-inch ball arm system provides improved ergonomics and versatility in a lighter, sleeker package. Possible combinations are virtually endless, with opportunities to mount an additional lightweight accessory almost anywhere along the length of an arm. The 1-inch Ball Arm System Mark II features 1-inch ball components with a groove and o-ring to prevent sli