This part fits your Edger
Hex nut 3/8-16 thd.
Genuine OEM Part - Manufacturer #712-0798
This part fits your Edger
Hex nut 5/16-18 thd.
Genuine OEM Part - Manufacturer #912-0158
This part fits your Edger
Hex nut
Genuine OEM Part - Manufacturer #912-0287
This part fits your Edger
Nut-hex center l-
Genuine OEM Part - Manufacturer #912-0107