Maxpower 330100 16-Inch Universal Power Rake/Dethatcher Lawn Mower Blade Includes Springs Use to clear thatch from lawns 1-inch Center hole with reducing washers in the following sizes: 3/8-inch, 7/16-inch, 9/16-inch, 1/2-inch, 5/8-inch, and 13/16-inch Blade measures 2.25-inch x 16-inch Made in the USA