Organize workspaces to reduce risk of tripping hazards or tangled cords; Extra-large tray and headspace fits larger power bars/strips- Under desk cable management tray is length adjustable (2.6ft/3.3ft/3.9ft 0.8m/1m/1.2m); Hardware incl. for installation/adjustment - Tool-free setup w/no drilling required; Foam padding and rubber on the clamp protects desk surface - Powder-coated steel; ISTA-6 cert. package - Works with wood/glass/metal desks up to 2in (50mm) thick; Cable Management Slots.