20.25"w Standing Shelf Unit with Locking Wheels, 3 Display Levels, Wire Shelving Unit with Removable Sign Holder (Black) 20.25-inch-wide shelving unit is perfect for presenting product samples and sale items in a commercial setting. 3-tier shelving unit keeps products organized - 14" clearance in-between levels. Removable sign holder provides users with the ability to display promotional information, such as a company logo and pricing. Locking wheels stabilize the fixture while in use. Displays2go SKU#: NCYRR14BK