Yet another what are these tools....

[Rannsachair]

Found these in an old tool box, any idea what they are for?

 

[The_Yellow_Ardvark]

The V jaw one, for adjusting cone cups on axial with loose bearings.
Like on a bicycle.

The other looks incomplete.

 

[Brad93]

Alligator wrench. For undoing square head bolts.

 

[Alan Reynolds]

Right hand one looks a bit like a centre finder but is missing the pins.

 

[gordon stephenson]

As above, Centre finder with the pins missing.