From WMS Help

Used to maintain Location Sizes. Users can define specific size (length, width, height, and weight) for any location. All location must have a valid location size.

Creating New Location Size

Updating Location Size
  1. Press the F8 key to execute the query.
  2. Press the PageUp/PageDown keys to view the results.
  3. Press the F10 key to insert a new record
  4. Press the Ctrl A keys to save your changes or [Exit] button to exit the form.
  5. Press the Ctrl F10 keys if you wish to delete any record.