Oregon 90-621 Mulching Mower Blade, Universal 20-7/8" NetSuite-ID_550118 PowerSharp bar

PowerSharp bar

21" Many parts look similar

one flat file and one

5/8" x 74-1/4"

Ryobi RY253SS and Troy Bilt TB 22

Oregon 90-621 Mulching Mower Blade, Universal 20-7/8" NetSuite-ID_550118 PowerSharp barThe Oregon 90 621 Blades for lawn mowers are created to provide consistency and longevity, while delivering a cleaner cut and quality results. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement. 3 8" center hole Superior mulching for bagging and discharge efficiency Enhanced