Notched Hi-Lift Blade / Exmark 109-6460-SPack Size:1Exmark 103-8251, Exmark 103-8251-S, Exmark 103-6396, Exmark 103-8370, Exmark 103-8296, Exmark 103-9614, Exmark 109-6460, Exmark 103-6381, Exmark 103-6391, Exmark 103-6460-S, Exmark 103-8370-S, Exmark 103-8296-S, Exmark 103-9614-S, Exmark 109-9390-S, Exmark 116-5496-SJ. Thomas 1038251, J. Thomas BL-406, Landscaper Express 38251, Landscaper Express 38370, Landscaper Express 38296, Landscaper Express 39614, Landscaper Express 1096460, Landscaper Express 392205, Landscaper Express 36381, Landscaper Express 1036391, Landscaper Express 36401, Landscaper Express 1036396, Landscaper Express 36396, Rotary 12002, Rotary 11240, Rotary 11279, Rotary 11770, Rotary 11769, Rotary 11771, Rotary 11772, Sunbelt B1EM1871Exmark Lazer Z HP (600,000 and higher); Requires 3 for 46" deckLength: 16 1/4 ", Center Hole: 15/16 ", Width: 3 ", Thickness: .203 "