Rotary 10093 Blade Replaces: Simplicity/Allis Chalmers 1704100, 1704100AS, 1704100SM, 1716696A, 1716696ASM, 1727774A, 1727774BMA, 1727774SM; Windsor 50-4676 Length: 16-9/64"; Thickness: 0.203"; Width: 4-1/2"; Center Hole Diameter: 3/4" Fits: AYP/RoperSears ZTS7500; Simplicity/Allis Chalmers 1692883, 1692884, 1694957, 1694958 Need 3 for 44" Cut