Hi-Lift Blade / MTD 942-0543Pack Size:1MTD 742-0543, MTD 942-0543, MTD 753-0571, Troy-Bilt 942-0543, Troy-Bilt 742-0543, Troy-Bilt 753-0571Aladdin UMT57, Dealer Choice 50-3915, Edgewater 155516, ESF 114-708, Foley/Belsaw 5979961, Foley/PLP 114-708, Green Meadow UMT61, Kwik-Fix 814708, Laser L1631, Laser 91133, Lowe's 78032, NHC MA2412, Oregon 98-056, Prime Line 7-06402, Rotary 1022, Sunbelt SB-98907, Sunbelt MA-2412, Sunbelt SB-6199, Sunbelt B1MA2412MTD 600 and 800 series 1993-1996; held on with bolt for 1996 and older; requires 1 of 335-533 and 2 of 335-525; Troy Bilt Requires 1 of 335-533 and 2 of 335-525 for 46" deckLength: 14 3/4 ", Center Hole: 6 pt. star, Outer Hole: 5/16 ", Center To Center: 2 1/2 ", Width: 3 ", Requires 1 of 335-533 and 2 of 335-525 for 46" deck, Specially designed center hole to replace six point star, Thickness: .120 "