17 1/4 inches wide by 27 5/8 inches long, plus the handle, and 1 1/2 inches thick. Ledges are 3/4 inches deep.  This tray has 98 opening slots. One of four pictured.  These are exceptional wood drawers, but may need a little cleaning to your liking.  All trays have been used for years and could have one or two broken dividers. Buy one or more, will combine shipping. If you have any questions please ask. Thanks for looking....