For consideration I have this Craftsman 113.xxxxxx Model Table Saw Guide Rails for Rip Fence System as shown.
Was parted out from a restored 113.242720 working table saw.
Front Rail measures: 32"
Back Rail measures:24 3/8"
Cross Bar measures: 21 1/2 long.
Comes with mounting hardware as shown in photo # 12
The yellow tape is scratched as shown in the last photo photo