Ample space in the cable management slot with cable clamps holds up to 10 wires in place and provides a clean desk experience. This monitor arm also includes an Allen key that conveniently stores under the arm cover, so you won't lose it. The Dell Dual Monitor Arm is designed to optimize your viewing distance for daily productivity. It minimizes wasted space behind the arms, giving you ample usable surface area. It comes with the world's first swivel switch, allowing you to change the swivel angle without having to remove any part of the monitor arm. Simply adjust the swivel angle on the arm comfortably by pressing the switch to 180 or 360 degrees.