Blade Length: 21-7/16"
Center Hole: 11/16"
Make sure and measure blade to insure proper fit, length can vary 1/8" either direction.
It fits John Deere
Double Bevel version of 91-139 (191-139)
(2) for 42" cut, yard tractor, mulcher, models made by John Deere
22" cut, walk behind, revisable, Murray 3 in 1 blade
Set of 6
OEM# M127129 , M139802 , M145969 , 672573
Equivalent part# 191-139 , 91-449 , 96-340 , 96-340 , 97-026