XN-3 nau'in atomatik rufi na'ura ne bisa ga fiye da shekaru goma samar da rufi na'ura, an yi shi ne don threaded rufi, tsarin zane na musamman, uku wuta rufi, kwanciyar hankali yi, zai iya maye gurbin irin wannan shigo da kayayyakin, shi ne mafi kyawun kayan aiki don samar da high-grade kayayyakin