ORCATORCH TECHNOLOGY LIMITED ZJ15 - Double Ball Joint Arm 50mm

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

Ycauty Dual Ball Arm Mount - Aluminum Alloy Black

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

Tilta TA-1420S-BJ - SmallHD Locating Pin Ball Joint for Mini Articulating Arm

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

Starbea Double Ball Arm - 1" Ball Head Lightweight