LX Dual Stacking Arm from Ergotron® has durable polished aluminum construction! Use this ingenious tool with your laptop and an external LCD or with two LCDs. You can create a productive multi-display configuration that lifts screens up to where they are easier to see while reclaiming valuable work surface. It extends LCDs or laptop up to 25 inch with an adjustment range of 18 inches. Its polished aluminum construction offers great durability and enhanced aesthetics. Furthermore, it offers simple installation and effortless operation.