Notched Hi-lift Blade / Exmark 109-6462-S.Pack Size:1Exmark 103-9606, Exmark 103-9606-S, Exmark 109-6462-S, Exmark 103-9607, Exmark 103-9628, Exmark 103-9607-S, Exmark 103-9628-S, Exmark 109-9392-S, Exmark 116-5498-SJ. Thomas CU-18, Laser 91901, Landscaper Express 39606, Landscaper Express 39607, Landscaper Express 11780, Landscaper Express 96313, Rotary 12004Exmark Lazer Z HP (600,000 and higher); Requires 3 for 56" deckLength: 19 1/2 ", Center Hole: 15/16 ", Width: 3 ", Thickness: .209 "

Attn: 355-419 is no longer available and has been superseded to 356-419.  So if you order 355-419 you will receive 356-419.