Oregon 90-309 Set of 3 Mower Blades, 21-5/8" Compatible with John Deere M143504 NetSuite-ID_573085 Simple sharpening angle adjustment guide

Simple sharpening angle adjustment guide for accuracy

The Oregon Gator G6 396-787 Blade is enhanced with carbide

891-428C models

This engine includes an installed muffler

48" and 52" Metro models for Exmark

Oregon 90-309 Set of 3 Mower Blades, 21-5/8" Compatible with John Deere M143504 NetSuite-ID_573085 Simple sharpening angle adjustment guideYou can count on the Oregon 90 309 replacement lawn mower blade to be the best in the industry. Our 26 quality standards ensure that youre buying a sharp, high performance blade that mounts properly. It delivers a clean cut for quality results. Fits models: John Deere M143504, John Deere M158112, Sunbelt B1JD1049, Laser 91462, John Deere M152727, Laser 91058, Laser 91750 13 16" center hole Enhanced mulching for bagging and side discharge efficiency