Suitable for example:
for several lawn mowers manufactured by MTD in the years 1995-2010, with the central hole of the blade with a 4-part "star". A high model means lower blade.
For 7/8" (22.2mm) shaft, fixed keyway in chuck, drops blade 39mm, pin spacing 63mm.
Replace the original numbers:
MTD 748-0377E, 748-0377D, 748-0377C, 748-0377B, 748-0377A, 748-0377