Ring Size Machine Pro

Machine to increase and decrease wedding rings, Premium quality and satin finish.
Its steel bottom plate is reversible and has 8 smooth holes that reduce rings by compression.
To expand the rings, it has an extendable mandrel at the top that can be operated by means of a lever.
It is important to keep in mind that this gauge is not suitable for sizing rings or wedding bands made of hard metals such as steel and titanium, as well as rings with stones.