5.5cm 6.1cm 6.5 cm 9cm 9.4cm 9.5cm 15cm Aluminum Or plastic Shell Double Socket Arm for 1 Inch Ball Mount Bases for gopro hero7-1pcs plastic arm for $38.4

Description: 5.5cm 6.1cm 6.5 cm 9cm 9.4cm 9.5cm 15cm Aluminum Or plastic Shell Double Socket Arm for 1 Inch Ball Mount Bases for gopro hero7 Features: Ball holder diameter 1 inch on both ends Arm length: 5.5/6.1cm 6.5cm 9cm 9.4cm 15cm for choice Material: Aluminum + plastic knob/Plastic +plstic knob/plastic+Anti-theft lever A tightening screw on the side of the arm enables the sockets to clamp a 1 inch diameter ball firmly. When loosening the side screw the arm opens it allows you to connect or completely disconnect the ball from the socket. Package Include: 1 x Double socket arm mount