Oregon 392-141 Mulching Blade, Gator G6, 17-1/4" Tungsten carbide is fused into the blade  creating an ultra-hard layer at the cutting edge and increasing the time between sharpening. Center hole: 1/2" Greater width and thickness extends blade life and allows for longer lifting arch to improve bagging and mulching. The aggressive blade angle increases air flow to push debris up-and-out for superior bagging or side discharge.. Gator Mulcher provides cleaner, more efficient cutting performance can eliminate the need to bag, saving time and hassle. Replaces major brand: Dixie Chopper. X-Tended Cutting Length optimizes the cutting efficiency with each revolution.