Oregon 90-068 Universal Fitz All Lawn Mower Blade 18" Length - Multipack of 3 Lawn Mower Blades With its standard 4-bolt mounting

With its standard 4-bolt mounting pattern and 7/16"-20 tapped shaft end

greaseable aluminum spindles

Mower has never cut grass

5"–5" in 1/4" increments for changing turf conditions

Oregon 90-068 Universal Fitz All Lawn Mower Blade 18" Length - Multipack of 3 Lawn Mower Blades With its standard 4-bolt mountingOregon 90 068 Lawn Mower Blade Multipack of 3 Blade Length: 18" Center Hole: Will fit 95% of mowers with Fitz All adapter kit The OREGON Fitz All center hole fits 95% of all lawnmowers made. Each blade requires an adapter unless being used to replace an MTD blade with the bow tie (rectangular) center hole such as 742 0740, 742 0640, 742 0741, 742 0642, 742 0742, etc.