Replaces:
MTD 742-0621
MTD 742-0521
MTD 942-0621
MTD 742-0306
MTD 742-0490
Fits Model:MTD 400 series, 21" walk behinds
Specifications:S/F: Formed
Center Hole: 7/8 "
Length: 21 "
Center To Center: 2 1/2 "
Width: 2 1/4 "
Thickness: .134 "
Outer Hole: 3/8 "