DIE SET/For RG-174. Mini-59 BNC/TNC, CRIMPMASTER Crimp Tool Frame 30-506. Interchangeable dies. 30-576Crimpmasterâ„¢ Die Set | for RG-174, Mini 59 BNC/TNC ConnectorsCrimpmasterâ„¢ die sets offer the Crimpmaster crimp tool versatility with interchangeable dies for crimping RF, wire terminals, and mod..