Hi-Lift Blade / John Deere M135590Pack Size:1John Deere M76467, John Deere M135590, John Deere M115496, Scotts M76467, Scotts M135590Dealer Choice 50-2441, Edgewater 154233, Green Meadow 91-404, J. Thomas BL-0010, Landscaper Express 91380, Landscaper Express 135590, Landscaper Express 201145, Landscaper Express 231015, Landscaper Express 143520, NHC 212-0641, Oregon 91-404, Prime Line 7-044006John Deere GS25, GS45 and GS75 commercial walk behinds; 325-455 series; Z-trak F620 and Z445; requires 3 for 54" deck; Scotts S2554 ('99-'01) and GT2554 ('02) series; requires 3 for 54" deckLength: 18 5/8 ", Center Hole: 13/16 ", Width: 2 1/2 ", Thickness: .203 "