Saeyang Marathon-N7 + H37L1 HP E-file Nail Drill- White

Marathon N7 E-File Drill Machine, expertly crafted in South Korea, is built to meet high standards of professionals who prioritize durability, precision, and reliability. The ultimate choice for all nail technicians seeking consistent, exceptional performance in every session.

Why Choose the Marathon N7?

Overload Protection
Built-in safeguards protect the motor from excessive strain, enhancing the device’s durability.

Speed and Direction Control
This model allows you to change speeds and switch rotational direction on the fly—a rare feature in most devices (with the K35 Mini being another exception).

Outfitted with variable speed settings, the Saeyang Marathon N7 offers precise control for a wide range of tasks, from filing and buffing to cuticle care. Its powerful motor delivers efficient performance, while the quiet operation and low vibration level make detailed work both comfortable and convenient.

Designed to accommodate an array of attachments, the N7 is remarkably versatile—ideal for everything from basic shaping and polishing to elaborate nail art. Thanks to its reliable construction and user-friendly features, it remains a popular choice for both salon 

Key Features:

• Automatic safety overload protection system
• Dust-proof cover for switch
• Built-in handpiece cradle & bit stand
• Forward / Reverse direction switch
• Weight — 3,75 lb (1,700 g)
  
• Dimension — 4.53" W x 5.79" D x 3.78" H (W115 x D147 x H96 mm)
• On / Off foot switch (SFP-27 optional and not included in the package)
• Variable speed control pedal (FS-60 optional and not included in the package)
• Hand-piece holder

Handpiece: H37L1

• The most powerful and heaviest handpiece among the three featured, delivering an impressive top speed of 35,000 RPM
• Reaches a high speed of 35,000 RPM
• Standard 3-prong connector compatible with various nail drill units
• Operates with minimal vibration, low noise, and smooth motion
• Size: 152 mm in length × 28.9 mm in diameter
• Weight: 210 grams
• Powered by 30V
• Offers 3.2 N·m torque — ideal for both manicure and pedicure treatments

Warranty Information

The Global Manufacturer's (SAEYANG) warranty on this specific device is 1 year from the date of purchase. If any situation may arise where warranty work is required, the device is shipped back to Korea for inspection and repair. Shipping to and from Korea is the customers responsibility. 

Exclusions from the warranty include cleaning, replacement of operational components (such as brushes, bearings, chucks, etc.), misuse, or improper alteration of the rotation direction.

Our store offers a LIMITED 30 Day Warranty from the date of purchase.  Shipping to and from our US location is the customers responsibility. The warranty process will be reviewed on a case by case basis as various factors play into the e-file's performance. 

Refund & Return Policy (policy specific to only SAEYANG products) 

A complete refund, excluding shipping expenses, is available solely for devices that remain unused and in their initial packaging. Should there be any indications of usage on the device or hand-piece, such as dust or skin traces, the item will be considered non-refundable, and the cost of return shipping will be your responsibility. Claims for refunds must be made through email within three days of receipt of the product.