Details Center bore: 5/8″ Tungsten carbide is “fused” into the blade, creating a super-hard layer on the cutting edge and increasing the time between sharpenings Extra width and thickness extend blade life and allow for a larger arc of lift for improved bagging and mulching Aggressive blade angle increases airflow to push debris up and out for superior bagging or side discharge The Gator Mulcher delivers a cleaner, more efficient cut and can eliminate bagging, saving time and hassle X-Tended Cutting Length optimizes cutting efficiency with every turn Replaces premier brand: Gravely