The Offset Master Controller from OPTAC-UNIMET is a microcontroller-based electronic unit designed to automate wear-offset compensation in CNC machines. It receives real-time measurement data from digital gauges and applies precise offset corrections automatically, reducing manual intervention and improving manufacturing consistency. Built in aluminium with a durable powder-coated finish, it integrates seamlessly with major CNC controllers and provides audit-traceable data for quality assurance. With 1 year warranty and a compact, export-ready design, it supports industry 4.0 workflows.