SOONSUN Aluminum Double Socket Arm (Medium), Compatible with RAM Mounts B size 1'' Ball Components

B Size 1" Ball Compatibility: Compatible with RAM Mounts B Size ball bases, clamp mounts, adapters and ball-equipped device holders, as well as other compatible 1" (25 mm) ball components. One socket connects the ball base or clamp, while the other connects the device-side ball component One-Knob Dual-Socket Adjustment: Loosen the side knob to release both sockets and reposition the connected ball components, then tighten it to clamp both balls and hold the connected components in position. The internal spring helps open the arm as the knob is loosened Aluminum Alloy Construction: The aluminum double socket arm features a sturdy alloy body suited to repeated tightening and repositioning on motorcycles, bicycles, vehicles, boats and other outdoor mounting systems 3.66" Medium Socket Arm: Measures approximately 3.66 in (93 mm) overall and weighs 3.46 oz (98 g). The medium socket arm adds positioning reach between the mounting base and device while keeping the assembly compact Package Includes: One aluminum medium double socket arm with adjustment knob. Ball components, mounting bases and device holders are not included