Grass combing knife used for cutting grass. 1.type:kinds of 2.materal:65Mn 3.use:trim the tree root

Lawnmower blade to fit:  A1)  Ryan Renovaire-Tracaire 4" Slicing Knife.  A2)  Ryan Renovaire-Tracaire 6" Slicing Knife.  B1)  Toro Fairway Aerator 4" slicing knife.  B2)  Toro Fairway Aerator 6" slicing knife.  C1)  Jacobsen Rogers Aerator 6" slicing knife.  C2)  Jacobsen Rogers Aerator 8" slicing knife.

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