XHT Replacement Blade for Exmark 103-6401 (Set of 9) - B1EM1895,9 Grass Bags and Bag Frames Fits the following John Deere

Fits the following John Deere models: 4000

End Type: 02/03

SST18 (48")

H165 Licensed John Deere OEM Product

625 Mower Conditioner(PC10829)

XHT Replacement Blade for Exmark 103-6401 (Set of 9) - B1EM1895,9 Grass Bags and Bag Frames Fits the following John DeereXHT Replacement Blade for Exmark 103 6401 (Set of 9) B1EM1895,9 XHT Replacement Blade for Exmark 103 6401 B1EM1895 XHT (Xtreme Hardness & Toughness) blades feature a unique steel that incorporates boron, carbon, manganese, and other materials that ensure its strength. The blades are heat treated with the patented and independently tested Marbain heat treating process. This process makes the blades 25% 40% harder than standard lawnmower blades, making