This GPS mount is made of 4.0mm aluminum. GPS mount fit for AMPS hole

mode navigation (such as compatible with garmin and only fit for TomTom

navigators with M4 holes). AMPS plate is only for display, not included in the

package. GPS mount is strong, light weight, all weather. Provides the perfect

mount for GPS navigation and phones. This product uses the motorbike's existing

mounting points to install the navigation bracket. The mount is adjustable to set

the phone in the best position for the rider, reducing the risk of vibration to the

device. Installed in the windshield position using the original screws. Easy to install,

we provide screw accessories.