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Exclusive OREGON® Fitz-All center hole fits 95% of all lawnmowers made. Each blade requires an adapter (see OREGON® adapter kit 02-034) 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.
LENGTH CENTER
90-514 21-5/8 7/8 Round, 11/16 X 15/16
3/8 X 1-1/16
FITZ-ALL ADAPTER KIT DESCRIPTION
02-034 Adapter Kit for Fitz-All Blades Contains spacers for 3/8", 1/2", 5/8" and .070" center holes, plus 3/8" and 5/8" center hole blade washers.