Structure: The clips at both ends of the wire rope are stuck in the casing, and then the locking screws are closed to fix it. The anti-lost device cannot be removed without special tools, which plays a very good anti-theft role! Material: high toughness PC shell, hardware part is 304 stainless steel; Weight: 12.8g each; Dimensions: 98mm long (including steel rope), 40mm wide, 11mm thick; Applicable models: For airtag; Packing list: One wire rope protective sleeve, one disposable screw wrench