Toothed Blade / Simplicity 1708229ASMPack Size:1AYP 1726453A, AYP 1726453, Simplicity 1708229, Simplicity 1708229ASM, Simplicity 1708229SM, Simplicity 1708229A, Simplicity 1726453, Simplicity 1726453A, Simplicity 1726453ASM, Simplicity 1716697ASM, Snapper 1708229, Snapper 1708229A, Snapper 1726453BZ, Snapper 1726453BZYPOregon 90-698AYP Requires 3 for 50" deck; Simplicity 14-16 GT and 1700 series; Snapper LT200 series and zero turn 150z requires 3 for 50" deckLength: 18 3/16 ", Center Hole: 3/4 ", Outer Hole: 7/16 ", Center To Center: 2 1/2 ", Width: 2 1/2 ", Thickness: .203 "