The Datacolor Spyder Shelf is an accessory shelf that can be easily attached to your monitor, freeing up space on your desk work area. This shelf is made out of sturdy plastic, with a non-slip textured surface and can hold a maximum of 4kg. This is an ideal shelf to hold often-used items such as your USB drive, keys or your SpyderX monitor calibration sensor. The shelf can easily be attached and removed from your monitor with its overhanging lip that safely grabs onto your monitor without causing damage. There's a tab that you can use to slide of your computer/laptop webcam ensuring visual privacy. Finally, there's a useful screw thread that has been added so you can attach your SpyderX monitor calibrator or for attaching photographic equipment.