Hi-Lift Blade Length: 14 3/4 ", Specially designed: to replace 6 pt. star center hole, Packaging Type: Branded label, Requires 1 of 335-533 and 2 of 335-525 for 46" deck, Center To Center: 2 1/2 ", Width: 3 ", Center Hole: 6 pt. star, Thickness: .120 ", Outer Hole: 5/16 ". Replaces Part Numbers: MTD 742-0543, MTD 942-0543, Troy-Bilt 942-0543, Troy-Bilt 742-0543, Troy-Bilt 753-0571, MTD 753-0571. Stens Part Number: 335-533