16-1/8" X 3/4" Mower Blade Fits Simplicity Models 1704856, 1704856A, 1704856ASOne (1) New Aftermarket Replacement 16 1 8" X 3 4" Mower Blade Fits Simplicity Models: 1691704, 1691797, 1691815, 1691820, 1691887, 1691889, 1691892, 1691894, 1692079, 1692082, 1692104, 1692108, 1692181, 1692183, 1692262, 1692266, 1692280, 1692282, 1692358, 1692359, 1692413, 1692415, 1692429, 1692431, 1692496, 1692541, 1692589, 1692590 Specifications: C. H. Diameter: 3 4", Diameter Of Outside Holes: 0. 4100", Width: 2", Thickness: 0. 2040", Length: 16