Replacement Expander Balls - 20 Caliber (0.203'''') Expander Ball

REPLACEMENT EXPANDER BALLS FOR FORSTER "E-Z" OUT DIE Expander Balls are .001a ^2 smaller than the bullet diameter with an estimated .001a ^2 spring back, which should leave you with .002a ^2 bullet tension. "E-Z" OutA(R) Die Expander Balls (ordered by the actual diameter) are also available separately. Mfg: Forster Products, Inc.