RC72-30B blade nut size

[Bigtwin]

Anyone know the nut size for the nut securing the blades to the RC72-30B belly mower? Is it a 1 3/16 or is it metric?

thanks

 

[Scooby074]

Pretty sure its 30mm.

 

[number two]

1 3/16" or 30MM,almost the same size.Easy to find since many front wheel drive cars have used this size socket for axle shaft retaining nuts.

 

[Bigtwin]

thanks guys...my user manual does not list the size and a google search came up empty...