Delta Rockwell Contractors Table Saw Throat Plate Insert
Fits 34-400 34-440-34-444, and possibly others
13 5/16" x  3 3/4 " x 1/2" 

Part #422-04-063-2001

Good Usable Condition. 
There is some slight non-flatness near the saw opening, it may be possible to bend this out to your liking
 Some saw blade cuts along the side of the blade opening. 
 Many light surface scratches mostly only in the paint. Please see photos