MEIYULONG MEI ZLL - 5.1 inch 13cm Dual Balls Arm

Sea frogs DA-4 - Double Ball Arm Aluminum Alloy Ball Head Arm

LetonPower Double Ball Extension Arm - 9" 1" Pack

LetonPower 11" Double Ball Aluminum Alloy Extension Arm - 1" Ball Head Connector Underwater Pack

LetonPower Double Ball Extension Arm - 5" 1" Ball Head Underwater

LetonPower Double Ball Aluminum Alloy Extension Arm - 1" Ball Head Connector 2pack

Yornimir Carbon Fiber Underwater Float Arm - Dual Ball Mounts Compatible with Diving Trays

Ycauty Dual Ball Arm Mount - Aluminum Alloy Black

Sahgsa Double Ball Head Light Arm - Aluminum Alloy 3"

MINIFOCUS 6" Double Ball Aluminum Extension Arm - 1" Ball CNC Aluminum Pack

Sea frogs AM-10 - 8 inches 1 inch ball