XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules This kit fits a John

This kit fits a John Deere 345 WITH serial number below 105

3/8 1/2" drive includes: 7/16

Pink plastic snap closure at back

Z930R w/non-EFI engine

XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules This kit fits a JohnXHT 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