QualityParts From Oregon That you can depend on. Center hole: 6 point start, 5/8": X-Tended Cutting Lengthâ„¢ optimizes the cutting efficiency with each revolution; The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge; Outside blade; Fits Cub Cadet Models LT1046 and i10466; Requires 2, 198-063 blades and 1, 98-061 blade for 46" cut; Oregon Equipment Parts 198-063 BLADE,MTD 16-1/4 IN