Product: USB password anti-theft lock Steel wire diameter: 5m (including rubber encapsulation) Steel cable length: 1.9m Approximate weight: 120G/pcs Lock body material: multi-layer electroplating on zinc alloy Steel cable material: high-quality steel wire environmentally friendly encapsulation Application: digital equipment with usb hole Note: Due to the special of the product, the USB hole plugging and unplugging become loose, but it not affect the normal connection of other devices) Material:metal colour:Black Package Contents: 6 x USB password anti-theft lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.