Set of 6 Made In USA Rotary Blades, Replacement for 405380, 532405380 6 Made In USA Rotary Blades, Replacement for 405380, 532405380 3 sets of 2 blades Used on 46" decks, 6 blades total 23" long, 5 point star hole, 2 3/4" wide, .150" thick.