Check the listing for details. 2Sets 3.3ft Retractable Cable Security Lock with Square Patch Wrench 150 g Black. Condition: New. Listed at 20.68 USD. What is this?This Retractable Cable Lock with Adhesive Patch features a retractable cable for easy length adjustment, with adhesive patches on both ends used to securely attach the device to the desktop and other surfaces. Mainly used in offices, libraries, cafes, etc., it can fix one's own mobile devices such as laptops and phones on the desk to prevent theft.What will I get?Security Lock with Square Patch, is in size of: 40mm x 15mm/1.6 x 0.6 InchCable Length: 100cm/3.3 ftCable Diameter: 0.9mmTension: 150 gColor: BlackMaterial: ABS, Steel WireIn the Package of: 2 x Cable Locks, 1 x WrenchIs there any advantages of the product?The design of adjustable cables not only improves the flexibility of use, but also ensures the applicability of locks in various situations. Lock is compact and lightweight, easy to carry around.