Underwater Double Handle Tray 1 double handle aluminum base tray for underwater camera housings 2,The tray comes with two 1/4"-20 screws, which fits for most underwater camera housings including DSRLand compact photography scuba camera cases 3,base ball fixed on the top of the handle to attach light arm system 4,adjust the distance of the base freely Dimensions: Length - 9" / 23 cm | (13" / 32.5 cm) Collapsed | Extended Height - 7.5" / 18.5 cm Width - 2.5" / 6.5 cm Weight - 22.7Oz / 646g Package Including: 1 x Underwater CameraTray 4 x Ball Clamps 2* 6 inch double ball arms 2* 6 inch YS ball arms 1* camera tray carrier rope