Metal Washers, Spiritual Electromagnetic Wave Prevention Rings - Type: Washer - Material: Metal - Diameter: Approximately 30mm - Inner Diameter: Approximately 10mm - Uses: 5G electromagnetic wave, gang stalking, thought interception prevention ring. Effective when kept close to the body, such as in a wallet, on a necklace, or in a bag. Also, using it as a fishing weight can attract fish like filefish and gobies. Thank you for viewing.