Flexible Positioning: Carbon fiber dual ball arm allows for precise adjustment and positioning of mounted accessories. For mounting video or strobe lights with a YS style end onto underwater arm adapters, trays, grip handles or bridge bars that accept 1/4-20 thread size Designed to connect your strobe, video light, or diving tray, it features a 1 ball to YS head adapter and a carbon fiber dual ball arm for optimal positioning and stability. Jual XT-XINTE Diving 1 Ball to YS Head Clip Arm Flashlight Ballhead 1 Ball To YS Head Adapter Sea Frogs Aluminum Alloy Underwater Camera Housing For Sony A7C II Dual Ball Arm For Strobe Durable Construction: Crafted from high-quality aluminum alloy for exceptional strength and corrosion resistance. 1" Ball to YS Head Adapter with 5" Extension Arm Aluminum Alloy Underwater Dual Ball Arm for Strobe, Video Light, Diving Tray. Compact Size: Lightweight and portable design for convenient underwater use and travel Enhance your diving experience with this high-quality extension arm. The sturdy construction ensures reliable performance in underwater environments, allowing you to capture stunning footage or illuminate your surroundings with ease.