Cotter Pin used on Delta or Rockwell models: 20-100 20-210 32-325 32-326 33-400 33-401 33-402 33-410 33-411 33-412 33-413 33-420 33-422 33-423 33-551 33-890 33-891 33-892 33-984 33-895 43-370 43-372 43-373 43-375 43-379 43-384 43-385 43-386 43-420 43-431 43-435 43-437 43-445 43-459 43-460 43-495