Seafrogs 2'' /5.1 cm 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. Length: 2.0"/5.1cm. (Length from the arm to the yellow ring.) Weight: 1.1oz/30g. Ball size: 1"/25mm. Package Content: 1x2" ball YS head mount arm.

?Specification?Length: 2"/5.1cm; Ball size: 1"/25mm;Weight: 30g /1.1Oz. ?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.

Maximum Weight Recommendation: 30 Grams, 1.1 Ounces. Item Weight: 30 Grams. Item Dimensions LxWxH: 2.01 x 1 x 0.35 inches. Compatible Devices: Camera. Brand: Starbea. Color: YB-2. Country of Origin: China. Manufacturer: Starbea. Date First Available: July 30, 2021. Is Discontinued By Manufacturer: No. Best Sellers Rank: #6 in Underwater Lighting Parts & Accessories. Customer Reviews: 4.4 out of 5 stars 35 ratings 4.4 out of 5 stars. Item model number: AM-3. : B09BJ1Q5C7. Item Weight: 1.06 ounces. Product Dimensions: 2.01 x 1 x 0.35 inches.