A&I Mower Blade 18" - B1PD1021,1
After Market Replacement for Exmark 603637 603873 & Grasshopper 320236 320327 Predator blades offer superior mulching capabilities over traditional mulching blades. The airflow tooth design increases blade strength while producing more airflow for smaller clippings. Predator blades have all the same benefits as XHT (Xtreme Hardness & Toughness) blades. (2) blades for 36" cut. (3) blades for 52" cut. Center Hole: 1/2" Length: 18" Thickness: .197 Type: Toothed Width: 2-1/2" Thanks for looking!