MowerPartsGroup (2) Mulching Blades MTD 942-0616A 742-0616a 112-0315 Toro Troy Bilt MTD 2 Mulching Blades Replaces Cub Cadet/MTD: 742-0616, 942-0616, 742-04126, 942-04126 Length: 21 1/4" Outer Hole: 5/16" Center to Center: 2 1/2" Please note: Blades may have a Y or H pattern. These blades have a specially designed center hole to replace six point star.