Wrench set HM

[Scooby66]

Anyone knows the age of these, found in a field while walking my dog? It says made in Japan and HM wrench.

 

[four.cycle]

Even after downloading and enlarging your photos, I cannot make out any detail on the open-end wrench.
Need a clearer photo showing the detail.

in the meantime....

keep this link handy at all times

and this one too!

Welcome to the site!

 

[3baygarage]

It’s a Honda tool kit. Possibly from an older atv.