Converts your rotary mower to a power rake in minutes. Mulches leaves. Loosens and removes dead grass. Allows moisture fertilizer and air to penetrate lawn. Universal power rake and dethatcher includes 16 blade spring and sizing washers. Contains .38 7/16 .50 9/16 .63 and 13/16 center hole sizing washers. Made in USA. 16 blade. 10 lbs. Length: 2. Width: 25.25. Height: 3