Fudge pliers by R.Hess Magstadt, Germany. This pliers are working like a fudge wheel or stitch marker.
The comes with 8 inserts in sizes 11, 9, 7, 6, 5, 4.5, 4 spi and 1 marker.
If you have any questions or special needs, please ask. I have a wide range of shoemaker tools.