Hi-Lift Blade / Exmark 103-6393-SPack Size:1Exmark 103-6383, Exmark 103-6398, Exmark 103-6393, Exmark 103-6403, Exmark 103-6393-S, Exmark 103-6403-S, Exmark 103-6383-SJ. Thomas BL-0009, Landscaper Express 96749, Landscaper Express 36398, Landscaper Express 6393, Landscaper Express 6403, Oregon 92-025, Rotary 11249Exmark Lazer AS, Lazer Z AC, Lazer Z AS, Lazer Z CT, Lazer Z XP and Lazer Z XSCenter Hole: 15/16 ", Length: 20 1/2 ", Requires 3 for 60" deck, Thickness: .203 ", Width: 2 1/2 "