221MM Underwater Camera Mount Mounting Bracket Adjustable Gopro Support

221MM Mounting Bracket Adjustable Gopro Support with 1" Ball Feature Advantages: 1. underwater video bracket 2. extend light arm 3. light weight Archon AR series camera bracket flashlight bracket specification: AR-75 Full length: 96mm (3.8in) Effective length: 75mm (3.0in) AR-120 Full length: 141mm (5.6in) Effective length: 120mm (4.7in) AR-150 Full length: 171mm (6.7in) Effective length: 150mm (5.9in) AR-200 Full length: 221mm (8.7in) Effective length: 200mm (7.9in) AR-320