– Adaptable for different smartphone models – Fit for most Ninebot KickScooter models – Easy to assemble The phone holder comes with an adjustable knob on the side, making it suitable for most phones with a screen size ranging from 58 to 90 mm (4 to 6.5 inches), and no thicker than 10 mm (0.4 inch). A simple hex key is supplied in the package, which makes it easy to install and uninstall the phone holder on your KickScooter. Aside from the knob that helps adjust the size of the phone holder, the anti-slip material reinforce the maintenance of the phone and the wearproof pads help protect it as well. Meaning the phone is both well-maintained and stable for the whole ride. The removable anti-slip rubber pad located in the buckle comes as an advantage, as it makes it easier to mount the Ninebot Phone Holder on the different KickScooter with a handlebar with a 20-22.2 mm (0.8-0.9 inch) diameter. This phone holder is compatible with the E/ES, MAX G and F series.