Set of two (2) replacement aftermarket USA made blades that fit John Deere models 102, 105, 115, 125, 135, D100, D105, D110, D120, D125, LA105, LA110, LA115, LA120. LA125, LA135, X110, X120, X125, X145 all with 42" cutting decks, two [laces for a 42" cut deck, code GX22151 These blades are 21-3/8" long and 2-3/4" wide and a full 0.187" thick and feature John Deere's 7 point star center hole. Blade specifications as follows: Overall Length: 18-5/8" Width: 2-3/4" Thickness: 0.155" Mounting Hole: 7 Point Star AM137328, AM137333, AM141033, GX22151, GY20850