A versatile Shoe Base equipped with "ball-joint" as its head adapter to link with INON Arm II system compatible ball-joint via "Clamp III"
Directly attaches on the "Accessory Shoe" of a conventional underwater housing etc. or INON "Shoe Base Spacer" etc.
These new Shoe Bases are designed to separate upper "Head Adapter" and lower "Shoe Base Adapter". All "Head Adapter" has 1/4 tripod screw hole on its bottom to attach a tripod etc.
Please refer below link to see compatibility with underwater housings on INON web site.
"Shoe Base 1/4-20UNC", "Shoe Base M6", "Shoe Base BALL" Compatibility Chart
http://www.inon.co.jp/cgis/news/img/ShoeBase_CompatibilityChart_En.pdf