Honda Lawn Mower Blade Sharpening

Honda Mower Model HRN 216VKAA

Blades:14 mm socket, with 3/8” extension to clear mower deck
Torque: 40 lb-ft., 3/8” torque wrench
Blade, Rotary Upper: 72531-VR8-M00 (those last two are zeros, not the letter “o”)
This upper blade is more flat that the lower blade.
Blade, Rotary: 72511-VR8-M00