Predator 21-5/8" Mulching Blades (Single) - B1PD5068,1 Predator blades provide the flat blade design preferred by most commercial mowers with an extended cutting length for increased cutting efficiency (3) blades for 62" cut C deck. Center Hole: 51/64" Length: 21-5/8" Thickness: .250 Type: Toothed Width: 2-1/2" Crossed From: M143504 JOHN DEERE M145119 JOHN DEERE M145719 JOHN DEERE M96771 SHOUP 90-309 OREGON 90309 OREGON 91-471 OREGON 91471 OREGON 96-771 OREGON 96771 OREGON Fits the following Compact Tractor Models: 2320, 2520 Fits the following Riding Mower Models: X465, X475, X485, X495, X575, X585, X595, X700, X720, X724, X728, X729, X740, X744, X748, X749 Fits the following EZTrak Mower Models: Z465 This is an aftermarket product, not an OEM. Thanks for looking!