... such as mouse, Bluetooth, Phone batteries, Printing ink, Memory cards, Phone headset and so on.Product details:Material: ABS + ... steel robs with chrome finishedLength: 4 kinds of sizes. 15cm, 18cm, 20cm, 25cm.Application: ... professional design3. Machining processing: bending, welding, polishing, assembling.4. Unlock by magnetic keyMain advantages:1. Easy assembling, easy ...