Turn the tow ball on any Robinson R22, R44, or R66 helicopter into a stable camera mount under your helicopter. This mount clamps to the tow ball with a versatile ball and socket design. Once tightened, this quality all metal mount will not move, bend, or fail, unlike plastic mounts. This standard mount uses a 1/4-20"" thread that fits most cameras. The knuckle locks your camera into any position. FAA friendly, safe, and secure. Compatible with: Drift, Fly360, FlightCam360, Sony, JVC, mini SLR, etc.