Pack of 3 - Laser # 91873 - Replacement Gator Mulcher Blades for Exmark 103-9616 / 103-9619 - 22-3/4" Length x 2-1/2" Width Pack of 3 Laser # 91873 Replacement Gator Mulcher Blades OEM replacement blade for Exmark 103-9616 / 103-9619 Cross over for Rotary # 11786, Oregon 392-203, and Stens 355-189 Length: 22-3/4" ; Width: 2-1/2" ; Center Hole: 15/16" ; Thickness: 0.204" Requires 3 blades for 60" cut