At a minimum, this miter will fit the following models (provided your saw top has not been modified)
Delta
34-345
34-348
34-410
34-441
34-445
34-600
34-670
36-441
36-454
36-630
36-650
36-750
Craftsman
315.228310
315.228390
315.228410
315.228490
315.228510
315.228590
113.27700
113.29940
113.29990
113.299010
And RIDGID models:
TS24120
TS24121
TS24240
TS24241
TS36120
TS3650
TS3660
Note it will not fit Craftsman 137.XXXXXX models.