Type:Hand Grips or Finger GroovesFeature:Adjustable Handheld StabilizerAluminium Tray or Grip:for Underwater Camera HousingsAccessory:underwater video stabilizer trayMount:for waterproof caseUse:Hand Grip Underwater Mount TrayUnderwater tray is used as a support 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 or video lights.Underwater tray has a 1 or 4 inch screws, which are standard for majority of underwater photography or videography systemSuitable for majority of underwater housings produced by any manufacturerIt is a sturdy for mounting underwater video strobe flash lights by attaching arms to ball mounts.Anti-Slip Handle and comfortable , more easy to useLength: 9 inch or 24 cm (12 inch or 33 cm) Collapsed | ExtendedHeight: 7 inch or 18 cmWidth : 2.5 inch or 6.5 cmWaterproof: 328 ft or 100 mWeight: 650gBall size: 1 inch or 2.5cmcolour:blackMaterials: AluminiumPackage Contents:1 x underwater trayOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.