Snapper Lawn Mower Blade - 335-331 - Replaces 1-6982 / 1-9523 / 7019523 / 7019523BZ 335-331 Snapper Replacement Lawn Mower Blade Replaces (OEM) Snapper 1-6982, 1-9523, 7019523, and 7019523BZ Fits Snapper rear engine riders with 33" decks and the 335-422 Air-Lift Kit (sold separately) Center hole diameter is 1 1/16"; Outer hole diameter is 9/16"; Center to center is 7 1/2"; Thickness is 0.203" Blade measurements: 33" length x 2 3/4" width