Sturdy and Secure: The main body of this phone mount is made of 6061-T6 solid aluminum alloy material with CNC machining and iii grade hard anodized surface for durability and reliability in the most demanding environments. Built-in high-quality industrial springs and a special 5-claw wrapping phone design ensure that your phone is securely fixed on the phone cradle even when driving on bumpy roads. The all-around rubber pads on cell phone mount protect your phone from scratching and slipping 1'' Ball Phone Holder: The cell phone holder with 1'' ball joint, compatible with RAM Mounts & BRCOVAN B size 1 inch ball double socket arm Anti-Shock, Protect Mobile Phone Camera: The cell phone holder is designed with a vibration dampener to minimize the vibration transmitted to the mobile phone while riding. The mobile phone holder also built-in with soft silicone that keep your phone from scratches and vibration. The phone cradle & phone camera features a non-contact designed to keep the phone camera from being squeezed and scratched while driving Anti Shake, Protect Your Phone: The special structure of this motorcycle phone mount can tightly wrap your smartphone. Designed with High-Speed Secure Knob: After putting your phone in, tighten the knob on the back of this motorcycle phone mount, make sure your mobile phone is securely attached to the motorcycle phone holder even when riding at high speed on bumpy roads Adjustable Design, Wide Compatibility: With an adjustable design, the body size of the motorcycle phone holder can be adjusted according to the size of your phone. This Motorcycle Phone Mount Holds Phones (Case Included) Dimensions: Length 5.12'' (130mm) ~ 7.28'' (185mm), Width 2.48'' (63mm) ~ 3.54'' (90mm), Thickness 0.787'' (20mm ) Max. Compatible with phone screen diagonal size 4.7''-7.2'' The main body of this phone mount is made of 6061-T6 solid aluminum alloy material with CNC machining and iii grade hard anodized surface for durability and reliability in the most demanding environments. The phone cradle is designed with a vibration dampener to minimize the vibration transmitted to the mobile phone while riding. With an adjustable design, the body size of the motorcycle phone holder can be adjusted according to the size of your phone. This Motorcycle Phone Mount Holds Phones (Case Included) Dimensions: Length 5.12'' (130mm) ~ 7.28'' (185mm), Width 2.48'' (63mm) ~ 3.54'' (90mm), Thickness 0.787'' (20mm ) Max. Compatible with phone screen diagonal size 4.7''-7.2''. With 1'' ball joint, compatible with RAM Mounts B size 1'' ball double socket arm. Designed with High-Speed Secure Knob: After putting your phone in, tighten the knob on the back of this motorcycle phone mount, make sure your mobile phone is securely attached to the motorcycle phone holder even when riding at high speed on bumpy roads