Tool Id

[mojjax]

I think they are for shaving down dowel ends for making chairs . One carves a screw end for a dowel . I just don't know what they are called .

 

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[firemanphob]

look at google images of "round tenon cutters" you will see pictures of more modern versions of this but couldn't find yours exactly. Yours were possibly home made.

 

[releventchair]

Dowel threader/threader box. (?)

 

[Icewing]

Homemade dowel making jig