Oregon 65-002 Blade Adapter 1" Dia Lawn Mower Replacement Part Oregon 65-002 Blade Adapter Replaces 193707, 184590, 532193707, 532184590 Diameter: 1" Fits AYP walk-behind mowers built since 2005 Replaces 193707, 184590, 418373, 420097, Husqvarna 532193707, 532184590