Fits perfectly into the cable tray opening and works seamlessly with the rear hinged cover. Easy installation with top screw C-clamp mount, so you never have to fumble beneath your desk. Premium tensile spring mechanism supports the full range of tilt, swivel, and rotation adjustments. Built-in channels make cable routing easy. Magnetic cable guides snap on and off, so you can hide all your cords from view. Compatible with desk tops between 10mm to 50mm thick.