Combination ring bender and sizer, used for reducing and enlarging wedding rings as well as bending and forming ring blanks into circular forms. The ring is enlarged on the conical mandrel which expands with a stroke of the lever. Reducing and enlarging are done without marring. Reducing is done on the reversible circular disc which has 12 countersunk polished dies. The ring bender has a 4 stepped mandrel and an interchangeable die. Made in Poland.