No tools required. Just clip it onto the car air vent, and then attach your device to the magnetic disc via metal plates. Just take away your device for release.This car mount is fully adjustable to allow for optimal, 360-degree viewing conditions. The effortless mounting process enables the driver to securely and safely lock the mount into place on an air vent. With the slim, metal plate (included) in between your device and its case, simply place the phone on the circular magnetic mount. IMPORTANT NOTE: A thick phone case may interfere with the magnetic adherence of this product. The included metal plate may not work properly with devices that feature a curved back. For Qi-enabled phones, the included small circle plate is recommended as the square plate could interfere with wirless charging. Strong magnets: built-in 4pcs super strong magnets, never worry falling down. Powerful magnet bonds phone securely for worry-free attachment. Upgraded air vent grip, extremely steady - just insert onto the air vent blade and tighten the nut. Easy installation - no tools required. Compact & never block viewing: with pocket size feature, it consumes tiny space to mount on the air vent without blocking view. Constructed of durable, sturdy plastic and rubber; holds device securely in place, even on rough terrain. Comes with two magnetic plates. You can either use it between case and phone or stick on your phone directly. Color Black Item Weight 2 ounces Manufacturer Fonus Special features Adjustable, Rotatable Package Dimensions 5 x 5 x 1 inches Other display features Wireless