Lawn Mower Blade, Compatible Mower Exmark 103-6387, Exmark 103-6387-S, Exmark 103-6392, Exmark 103-6392-S, Exmark 103-6397, Exmark 103-6402, Exmark 103-6402-S, Exmark 116-5175-S, Exmark 140-1242, Exmark Toro 109-6873, Blade Type Notched, Center Hole Diameter 15/16 in, Width 2 1/2 in, Length 18 in, Product Type Lawn Mower Blade, For Use With ExmarkLazer Z, Serial No. 540000 and Higher, Requires (3) for 52 in Deck, ToroTitan Z5200 ZTR's, Thickness 0.2 in