Type:Hand Grips/Finger Grooves Feature:Adjustable Handheld Stabilizer Aluminium Tray/Grip:for Underwater Camera Housings Accessory:underwater video stabilizer tray Mount:for waterproof case Use:Hand Grip Underwater Mount Tray Underwater tray is used as a support platform for your underwater housing. Two 1 inch Balls allow for the attachment of accessories such as arms, to which you can then attach additional accessories, including strobes and focus / video lights. Underwater tray has a 1/4 inch screws, which are standard for majority of underwater photography / videography system Suitable for majority of underwater housings produced by any manufacturer It is a sturdy platform for mounting underwater video strobe flash lights by attaching arms to ball mounts. Anti-Slip Handle and comfortable , more easy to use Length: 9 inch / 24 cm (12 inch/ 33 cm) Collapsed | Extended Height: 7 inch / 18 cm Width: 2.3 inch /6cm Waterproof: 328 ft / 100 m Weight: 650g Ball size: 1 inch/2.5cm colour:black Materials: Aluminium Package Contents: 1 * underwater tray Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.