... steel Big grass collector Good performance and price gasoline lawn mower, (ELECTRIC TYPE ALSO CAN BE PROVIDED)Features and Benefits ... choose which kind knife as you like. KYWY460About:18 inch, Push type, Steel Deck, Straight Blade 4.0HP ... 31.1x21.7x15.7Net Weight24Kg / 52.9 lb KYWY480About:19 inch, Push type, Steel & Ardal Deck, Straight or Swing ... 1x21.7x15.7Net Weight32Kg / 70.5 lb gasoline lawn mower