StarTech.com VESA Laptop Tray - Adjustable Monitor Arm Laptop Tray Secures Notebooks (4.5kg / 9.9lb) - 75x75 & 100x100 VESA Mount Holes - Ventilated - For Monitor Desk Mounts/Stands. Product type: Laptop arm, Product colour: Black, Material: Plastic, Steel. Panel mounting interface: 75 x 75,100 x 100 mm. Width: 420 mm, Depth: 280 mm, Height: 50 mm. Package width: 320 mm, Package depth: 288 mm, Package height: 50 mm. Master (outer) case width: 630 mm, Master (outer) case length: 335 mm, Master (outer) case height: 320 mm