The microphone holder hand hook clip is made of highly durable metal for most car radio walkie talkie. Easy to install and remove-simple your life and save your time. Universal microphone holder hand hook clip bracket fit for most car radio walkie talkie. No need to use screws to drill holes to reduce damage to the car. Mobile Rdio Microphone Holder Clip, Adhesive Back without Screw. Material: Metal. Install easily. It mounts in vehicle to secure a mobile microphone.