🌵 【Fitment】：This double-socket arm is compatible with a 20 mm ball head mount and phone holder. It can be connected to various devices with a 20 mm ball head assembly, including motorcycle phone holders, bicycle riser phone holders, vehicle phone holders, and 3rd party dash mounts | 🌵 【Lightweight Aluminum Construction】：It is constructed from precision-machined, anodized aluminum to ensure durability in extreme temperatures | 🌵【Supportive and Stable】：Alouth the arm is lightweight, on the adventure off-road, an uneven road, keep the assembly stable | 🌵 【Adjustable】：The two sockets offer more. Adjust the viewing angle and position with the 360-degree swivel arm to keep your machine in view | 🌵 【Sturdy and Secure】：High Quality Brass knob screw quickly attaches your 20mm ball head and your other ball adapter