Set OF 3, Mulching Blades Replace 180054, 173921, or 193920 Blades, 48" Deck on Craftsman, Poulan, Husqvarna Price is for a set of three quality rotary mulching blades Made in USA, 16-3/4" long, 2-1/2" wide,, 187" thick, 5 point star mounting hole These blades mulch better than fsp mulching blades Use on 48" decks, craftsman, poulan, husqvarna