Price is for a set of 3 blades. Made In USA aftermarket Rotary replacement blade, heat hardened steel, for 180054, 532180054, 173920, 532173920 Replacement Blade for 48" Deck. 16 3/4" long, 2 1/2" wide, .204" thick, 5 point star hole. High lift, the blade to get if you have a bagger. Used to replace the 173921 (mulch) if you do not want to mulch. This deck has 3 blades.
Item# : SPM593008514
Model # : 9907