Medium-Lift Blade / MTD 942-0620Pack Size:1MTD 742-0620, MTD 742-0520, MTD 942-0620Aladdin UMT35, Aladdin UMT60, Dealer Choice 50-2745, Edgewater 155539, Edgewater 155548, ESF 114-765, Foley/Belsaw 5979476, Foley/PLP 114-765, Foley/PLP 115-214, Green Meadow UMT47, Green Meadow UMT66, Laser L1661, Laser L1772, Laser 91149, NHC MA2429, Oregon 98-047, Oregon 98-001, Prime Line 7-04668, Rotary 6005, Rotary 15-6005, Sunbelt SB-6005, Sunbelt SB-98914, Sunbelt B1MA2429MTD 20" walk behindLength: 20 ", Center Hole: 13/16 ", Outer Hole: 3/8 ", Center To Center: 2 1/2 ", Width: 2 1/4 ", Thickness: .134 "