Oregon Gator Mulcher 3-N-1 Lawn Mower Blade For MTD 21-Inch 98-931 98-631Product Review
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Replaces OEM No.742-0741
Blade length (measured diagonally): 21-inch
Blade width 2.5-inch
Blade center hole diameter 0.710-inch x 0.930-inch Outer hole:0.32-inch
MTD 21-inch cut, 1995 and new with bowtie center hole