The Saeyang Marathon K35 E-File is a compact, lightweight nail drill designed for smooth and controlled everyday use. It features a digital speed display and auto-cruise control for consistent performance without constant adjustment. Built with an automatic system, it includes power-saving mode and overload protection with warning LED for safe, reliable operation. The forward/reverse button and pause function give full control during work. The unit supports both variable speed foot pedal (FS-60) and on/off foot switch (SFP-27) for hands-free use and better workflow. K35 Digital Control Box Features: LED display Speed control knob Forward/reverse buttons Hand/foot buttons 6 Bur/bit stand holes Foot pedal connectivity Compact, lightweight & easy to move Includes bonus foot pedal Slim Hand Piece NEW Slim hand piece Max. 30,000 RPM / 1.6 Ncm Quiet low vibration (almost none!) Increased hand grip & balance Easy 'twist' mechanism to change bits Includes rubber hand piece stand