Stedge Add-on shelf Small Black isn’t a complete shelving system, but rather an additional shelf for the Stedge Shelf. The shelving system comes with two shelves, but if you want to expand with a shelf or two, those are easy to add. Note that Stedge Shelf is available in two size with a width of either 60 or 80 cm, so you can get the perfect size for your shelving unit. Find the complete collection here, where you’ll find the shelving unit and the additional shelves in black, white, and oak.