Desmond 100mm Half Ball Leveler & "Cradle" 100mm Bowl Riser / Video Tripod Head 2 item kit: "Cradle" 100mm Bowl Riser & D100-Bowl 100mm half ball adapter. Max Load 33lb (15kg) Converts standard 3/8" Stud tripods to a 100mm video bowl mount. Total weight 29.7oz (842g) Desmond Brand