This part fits your Edger
Screw 5/16-24x .625h
Genuine OEM Part - Manufacturer #578733MA
This part fits your Edger
Capscrew 5/16-18x.75
Genuine OEM Part - Manufacturer #704287
This part fits your Edger
Capscrew, 1/4-20x1.5
Genuine OEM Part - Manufacturer #703234