REPLACEMENT PREDATOR MULCHING BLADES MADE IN THE USA!! Not cheap imports!!! Predator blades provide the flat blade design preferred by most commercial mowers with an extended cutting length for increased cutting efficiency with more resistance to bending. Tighter tolerances in the aftermarket vs. OEM. By the way they are made in the USA! Hands down the ABSOLUTE best aftermarket replacement blade on the market! This sale is for 3 replacement Predator mulching blades blades. Replaces the following OEM part numbers: HUSTLER/EXCEL 3 BLADES FOR 54" CUT Center Hole: 5/8" Width: 2-1/2" Length:18-1/2" Thickness: .250 (1/4") Please make sure you are ordering the correct blades. We list model numbers, part number and the exact dimensions so you know exactly what you are getting. Just because the model number is not listed does not mean it doesn't fit but are because it is listed to mean it does. There are serial number breaks and other factors that sometimes change needed blades.