An all aluminum arm equipped with dual omnidirectional locking ball joints and two locking elbow joints allows for the perfect filming angle. Arm length between ball joints is 10.75". Versatile Camera Mount for GoPro > Fully articulating, CNC machined, aluminum, camera mount for GoPro with familiar "buckle" system for GoPro. Buckle for GoPro connects to a convenient thumbscrew to ensure a tight connection. The buckle can be easily removed to adapt the mount to any device using a standard tripod (1/4 20) screw. Device Compatibility > This mount works great with any device using the GoPro buckle system and can also be used with any device which uses a standard "tripod" screw (1/4 20). This includes, but is not limited to "Point and Shoot", Mirrorless, Micro 4/3 and many of the most popular action cameras."> Locking Headrest Clamp > With safety in mind, we have designed this product with a fail proof all metal mounting clamp that safely and securely fastens to any headrest post up to .5" in diameter. Rock Solid Adjustable Arm > An all aluminum arm equipped with dual omnidirectional locking ball joints and two locking elbow joints allows for the perfect filming angle. Arm length between ball joints is 10.75". Versatile Camera Mount for GoPro > Fully articulating, CNC machined, aluminum, camera mount for GoPro with familiar "buckle" system for GoPro. Buckle for GoPro connects to a convenient thumbscrew to ensure a tight connection. The buckle can be easily removed to adapt the mount to any device using a standard tripod (1/4 20) screw. Device Compatibility > This mount works great with any device using the GoPro buckle system and can also be used with any device which uses a standard "tripod" screw (1/4 20). This includes, but is not limited to "Point and Shoot", Mirrorless, Micro 4/3 and many of the most popular action cameras.