Features: -The Aluminum Half Ball Flat Bowl Riser is designed to raise professional camera systems 5.3 above your standard tripod height. -This riser is intended for tripods with 65mm/75mm bowl systems, the max load is 10kg. -This clever device will help innovate and integrate your 65mm/75mm fluid tripod head to different positions. -Mount it to a slider dolly to raise head and camera to allow tripod operation and easy level adjustments. -The bowl riser features multiple 1/4 and 3/8 threaded holes on each side to add additional accessories,such as magic arm,monitor,led light,microphone,etc. -The included three screws insure that your camera is secure and shake free. Specification: Material: Aluminium alloy N/W :453g (about 1 lbs) Max load: 10kg (about 22lbs) Heighth:135mm /5.31 Width:117mm/4.6 Inside width: 100mm/3.93 Inside heighth: 120mm/4.72(Max) Inside heighth: 106mm/4.17 (Min) Compatiable with bowl diameter 65mm/75mm Package: 75mm Bowl Riser x1 Screws x5 Wrench x1