XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules 3/8 1/2" drive includes: 7/16

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

This is an OEM John Deere key

Pink plastic snap closure at back

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

XHT 20-1/4", 3/4" Mower Blade (Set of 6) - B1SX1002,6 Modules 3/8 1/2" drive includes: 7/16XHT 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