Medium-Lift Blade / Ariens 03624700Pack Size:1Ariens 03624700, Ariens 03624759, Ariens 03624751, Ariens 3624759, Ariens 36247, Ariens 3624751, Ariens 3607059, Woods 03624751, Woods 03624751KTDealer Choice 50-3815, ESF 114-095, Green Line 34128, Green Meadow UA22, Laser L1835, Laser 91269, NHC 212-0241, Oregon 91-015, Prime Line 7-06303, Rotary 6254, Rotary 15-6254, Sunbelt B1SB6254Ariens Requires 2 for 40" deck; Woods Requires 2 for 40" deckLength: 20 7/16 ", Center Hole: 3/4 ", Width: 2 1/2 ", Thickness: .203 "