About This Secure Attachment: the Car Mount Screw-on Head Bracket features a nut-through design that ensures a firm and stable grip on your car charger mounts, preventing shaking or falling during driving for enhanced safety and peace of mind Wide Compatibility: This tightening nut is compatible with various car mount models and wireless charger mounts, serving as a versatile fixing accessory for universal phone holders across different vehicle types Adjustable Viewing Angle: Equipped with a ball-joint fixed adapter ring, this car charging nut allows flexible adjustment of your phone holders position, enabling optimal hands-free viewing angles for safer driving Wireless Charging Friendly: Designed specifically for wireless charger mounts, this screw-on head bracket secures your phone holder firmly while allowing seamless wireless charging without the need to plug or unplug cables Compact and Lightweight: Measuring approximately 1.25 x 1.14 x 0.98 inches and weighing only 0.88 ounces, this car mount screw-on head bracket is easy to install without adding bulk to your vehicles charging setup