Description
You can count on the Oregon® 91-557 replacement lawn mower blade to be the best in the industry. Our 26 quality standards ensure that you’re buying a sharp, high-performance blade that mounts properly. It delivers a clean cut for quality results.
Features:
- Center hole: 1/2″
- Requires 1, 91-557 blade and 2. 91-558 blade for 48″ cut
- Requires 3 blades for 42″ or 44″ cut
- Superior mulching for bagging and discharge efficiency
- Enhanced hardening to keep the blade sharper and more durable
- Made to exact OEM specifications
- Replaces major brand: Grasshopper




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