Compatible docking stations: DS-DELL-400 Series Compatible computers: Dell 12 and 14 Rugged Extreme Designed to mount to the rear of the dock to support the laptop screen and reduce vibration Adjustable tilt allows the screen to be positioned for the best visibility and comfort Prevents screen from moving when using touch screen feature Prevent excessive wear on screens and hinges Hardened plastic construction makes DS-DA-412 lightweight and durable Stylus holder allows easy access to your stylus LED map light accessory (part # DS-DA-102) easily attaches to screen support Includes mounting hardware