Features: Brand new and high quality Expand your computer capabilities with TH3P4mini External Expansion Dock and Case Set. this dock provides stability for your devices. Suitable for wide of users, this dock for various devices. Whether gamers, content , office worker, the TH3P4mini dock enhances productivity by expanding your computer capabilities. With its user friendly design, the TH3P4mini External Expansion Dock and Case Set is a valuable addition to your computer. Specifications: Material: Metal, Acrylic Package Includes: 1Set TH3P4mini Thunderboltcompatible GPU Dock note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!