Unlimited 8 mm Crystal Tuning Forks - A440 HzThis listing comes with your choice of tuning fork and a felt striker. Select the note you want using the drop down box and review each video to hear if it's right for you. Note: The Crystal Tuning Fork in the photo and video is not the exact tuning fork you will receive, but an example of what these tuning forks usually look and sound like. Please click here to read our important disclaimer on caution and caring for crystal sound healing instruments