Peak Design Mobile Locking Ball Mount Adapter Update your third-party phone mount with Peak Design's sturdy, low-profile, user-friendly SlimLink connection option. It is compatible with a wide range of modular third-party phone mounting systems in particular, it is compatible with systems that use ball-and-socket joints measuring 1 or 20mm. The exceptionally quick and secure phone mounting action of the Peak Design Ball Mount Adapters enhances your setup. They are also suitable for all of your outdoor activities with the Locking Ball Mount because they are constructed of weatherproof machined and anodized aluminum. available in charging mount and locking mount configurations. Features: Compatible with third party phone mounts Machined/anodized aluminum mounting head Machined/anodized ball (20mm models) Epdm rubber ball/arm with solid aluminum core (1 models) Grippy silicone mounting pad with Tinuvin 770 UV-stabilizer Silicone vibration dampers High-temp neodymium mounting magnets Built-in SlimLink connection system is ultra secure and feels like magic Requires a Peak Design Case or Universal Adapter (sold separately). Note: Requires a 3rd party phone mount that utilizes 1 (like Ram) or 20mm (like Offroam, Tackform, 67 Designs) ball-and-socket connection joints (sold separately).