XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules Length(IN): 21

Length(IN): 21

Pink plastic snap closure at back

975 & 975HY/4(PC4180)

John Deere Original Equipment Compression Spring #M136058

Z930R w/non-EFI engine

XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules Length(IN): 21XHT 20 1 4", 3 4" Mower Blade (Set of 6) B1SX1002,6 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 them the longest lasting, safest, and most impact resistant