EASY TO INSTALL: Installs quickly with included screw and tool. DAMPENS VIBRATION: Reduces vibration force and speed to protect your phone's internal components. ALUMINIUM CONSTRUCTION: Durable Aluminum and reinforced polymer construction. Includes fast secure mounting with twist lock lever. COMPATIBILITY: Version 3 works with all Rokform twist lock cases and motorcycle mounts (V2 for Ball Adapter Mount) ROKFORM WARRANTY: We offer a 2-year warranty on our entire catalog, along with 5-star customer support. If you have any issues with your purchase, please let us know, and we will fix it!