Sturdy & Secure: Main body is made of 6061-T6 aluminium alloy. It has an aluminium alloy handlebar mounting bracket & double socket arm. The double socket arm is designed with a special anti-theft safety knob. The package comes with a unique wrench to tighten the safety knob. This design keeps your phone holder from being easily removed or stolen. One-Handed Operation: Yellowfin motorcycle handlebar mobile phone holder is equipped with a one-push automatic lock and quick-release design. Insert or take out your phone with just one hand in seconds, very convenient. Double Ball Joints allow 720-degree free rotation to adjust the smartphone & mount at various angles such as horizontal or vertical as per the rider's comfort. Enjoy free and easy riding. Shockproof Protection: Yellowfin bike phone mount is also built-in with shockproof soft silicone pads at 5 contact claws that keep your phone safe from scratches and vibration. Yellowfin motorcycle mobile phone mount is equipped with a vibration dampener to absorb any shocks & keep it stable while riding in bumpy and rough terrain. Easy To Install: Accessories included with the package allow this cell phone mount easy to install on handlebars and rear-view mirror bases. The motorcycle phone holder handlebar mounting base fit for handlebars 0.5''(12mm) / 0.87''(22mm) / 1.0''(25.4mm) / 1.26'' (32mm) in diameter. The package also includes an aluminium alloy 1'' ball rear-view mirror mounting base. Convenient for you to install the phone holder on the motorcycle mirror. Wide Compatibility: With an adjustable design, the body size of the Bike phone holder can be adjusted according to the size of your phone. The adjustable motorcycle phone mount is compatible with 4.7''-7.2'' cell phones. It can accommodate mobile phones up to 20mm in thickness. Suitable for installation on the bike, scooter, bicycle, motorcycle, stroller, mountain bike, dirt bike, trek bike, road bike, golf cart, electric scooter, ATV, etc. Anti-Shake | Protects Your Phone: The special structure of this motorcycle phone mount tightly grip your smartphone with the help of 5 silicon padded claws. Designed with high-speed secure lock: After putting your phone in, tighten the knob on the back of this motorcycle phone mount to make sure your mobile phone is securely locked to the motorcycle phone holder even when riding at high speed on bumpy roads.