StarTech.com Under Desk Cable Management Tray, Length Adjustable, Clamp-On Installation, No Drilling Required, White - Length adjustable cable management tray organizes workspaces to reduce risk of tripping hazards or tangled cords; Tool-free setup with no drilling required; Powder-coated steel; ISTA-6 cert. packaging; Works with wood/glass/metal desks up to 2in/50mm