Seafrogs YS Head Adapter Arm for Underwater Light System Features: As a bridge to connect underwater tray/handle to underwater strobe/video light. Easy to assemble and disassemble,meeting various indoor/outdoor/underwater shooting needs, Waterproof & Rustproof. Specification: Material:Corrosion resistant anodized CNC aluminum alloy. Weight:2.7oz/80g. Ball size: 1"/25mm. Package Content: 1x2" ball YS head mount arm.

?Specification?Ball size: 1"/25mm;Weight: 80g /2.7Oz. ?Ball Head with Protection Ring?1'' ball head made by corrosion resistant anodized aluminum alloy with rubber O-Ring Friction ,make the connection more stable. ?High Quality Material?Made by corrosion resistant anodized CNC aluminum alloy, Anti-corrosion. ?Compatibility?Compatible for all arm systems that has a ball head which diameter is 25mm/1 inch. ?Mutifunction?YS ball adapter connect your underwater strobe or video light via the light holder.

Country of Origin: China. Manufacturer: Starbea. Date First Available: July 15, 2021. Best Sellers Rank: #37 in Underwater Lighting Parts & Accessories. Customer Reviews: 4.4 out of 5 stars 35 ratings 4.4 out of 5 stars. Item model number: BH-3. : B099J6YF69. Item Weight: 3.52 ounces. Product Dimensions: 2.56 x 1.18 x 0.79 inches.