Double Ball Mount for Aquatica or Sea&Sea Housings L&R pair Double ball mounts with "D" rings for Aquatica or Sea&Sea camera housings. Our unique double ball adapter provides (2) 1 inch diameter ball mounts on each side of your housing as well as two large and two small integrated "D" rings. Now you have an uncluttered method to mount additional arms or focus lights. Sold in a set with left and right mounts. Sturdy stainless steel construction with bonded composite ball ends.