Having trouble finding a good set of blades which are no longer being made by Sears?  Look no further.  These will work perfectly if your machine has the same specs.  Measure your old ones before ordering. It saves a lot of time for all of us.

Steel Grade - HSS
Length - 4-1/8"
Width - 7/8"
Thickness - 1/8"
Set of 2 Blades
Fits - Older Craftsman 149.236220 & 149.236221 jointers (knife has 3 holes)
Brand - Titan Knife