Knee Joint w. 1/4-20 male 3/8-16 female

Part No: 259500

Ultra Arm Ball (NATO Rail) is a component of our Ultra Arm lineup which has a NATO standard accessory rail with safety pins on each side and a 25mm (1 inch) ball on the end.

Part No: 232900

Ultra Arm Ball (NATO Clamp) is a component of our Ultra Arm lineup which clamps to any quick release, NATO standard accessory rail and has a 25mm (1 inch) ball on the end.

Part No: 496RC2

The tripod head for the professional photographer.

Part No: 232800

Ultra Arm Double Ball (8") is a component of our Ultra Arm lineup which has a 25mm (1 inch) ball on each measuring 8 inches (203.2mm) from center to center. Great for building custom arm configurations!