Includes (1) 21 in. universal 3-N-1 replacement lawn mower blade
Measures 21 in. L and 2-1/4 in. W with a 1 in. center hole diameter
Includes a cover washer and 6 reducing washers in the following sizes: 3/8 in., 7/16 in., 9/16 in., 1/2 in., 5/8 in., and 3/16 in.
Fits MOST 21" cut mowers
Recommended for gas powered mowers - not battery powered or electric mowers