Greenworks 40V (18") Cordless Walk-Behind Lawn Mower Blade (33301487-3 / R0100710-00)- Blade size: 46 cm (18")- Can be checked by observing the symbols on the blade.For 40V Lawnmower model 2500407: The blade has a circle and a semi-circle symbol (33301487-3).For 40V Lawnmower model 2502307TH: The blade has a heart symbol (R0100710-00).
