RAM® 雙插座臂，附金屬旋鈕 - C尺寸長型

The metal knob on this double socket arm makes adjustments a breeze, and the 1.5" ball sockets hold my device rock-solid in rough terrain. I’ve been using it on my motorcycle and haven’t had to retighten anything once.

The spring mechanism is surprisingly stiff, which makes swapping between mounts feel really secure. I appreciate the metal knob too—much more durable than the plastic ones I've used before.

Been swapping this arm between my desk mount and the RV setup all week, and the single spring does exactly what it should—sockets clamp onto both 1.5" balls firmly, yet pivot smooth when I need to angle the screen. The long length gives me plenty of reach, and the metal knob feels solid under my fin