The M-Series Plugger/Spreader (Dentsply) is a precision endodontic instrument designed to enhance the quality of root canal treatments. Its ISO sizing and .02 taper facilitate deeper penetration into the canal, promoting a superior apical seal. The instrument's ergonomic design ensures balanced handling, making it particularly effective in navigating curved canals. Color-coded indicators and calibration rings provide quick and accurate depth determination, streamlining the obturation process. This double-ended tool combines both plugger and spreader functionalities, offering versatility and efficiency in endodontic procedures.