oregon 396-612 pk3 gator g6 blades -20 1/2" oregon 3 pack gator g6 blade, 20-1/2"description the oregon gator g6 396-612 blade is enhanced with carbide. this heavy duty blade is designed for commercial applications and built to withstand rough conditions with top performance and longevity.details center hole: 7/8" tungsten carbide is “fused” into the blade – creating an ultra-hard layer at the cutting edge and increasing the time between sharpening 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 x-tended cutting length optimizes the cutting efficiency with each revolution replacement for major brand: kubota specs color black volume 450.778 in3 product uom each weight (with packaging) 3.984 lb product height 0.25 product length 20-1/2" product width 3 blade width 3.00" thickness 0.250" blade length 20-1/2" center hole size 7/8" offset 5/8" air lift 1" gator blade series gator g6