The Saeyang Marathon Eco 450 Nail Drill + SH37LN is a professional, powerful, and extremely reliable nail drill specifically designed for intensive salon use in manicures, pedicures, cosmetology, and podiatry. This model comes from the renowned Korean manufacturer Saeyang, a brand recommended for decades by top stylists and professionals in the beauty industry.
With nearly 50 years of experience, Saeyang guarantees exceptional quality, durability, and technical perfection. The Marathon series is among the most widely used nail drills in professional salons worldwide and is known for its reliability, power, and long lifespan .

This nail drill is designed for daily, long-term, and heavy-duty use . The set is equipped with the extremely powerful SH37LN handpiece with an impressive torque of 3.0 Ncm . This keeps the machine stable and powerful, even during demanding treatments such as artificial nails, acrylic, gel, BIAB, and podiatry applications.
The speed is infinitely adjustable from 0 to a whopping 45,000 rpm , giving you complete control over every treatment. The powerful 100W motor in the control box ensures consistent performance without power loss.

The nail drill is designed with maximum ease of use in mind. The control panel features a clear on/off switch , a dial for precise speed control, and forward and reverse rotation . This makes the machine suitable for both left- and right-handed professionals.
A built-in overload protection system protects the device against voltage spikes. If the protection is activated, the device automatically switches off and can be easily restarted using the reset button. The option to connect a foot pedal provides additional freedom of movement and increases working speed.

The TWIST-LOCK system in the SH37LN handpiece makes changing milling cutters quick, safe, and completely tool-free. With a simple twist, you can lock or unlock the bit, saving time and significantly improving workflow.

The Marathon Eco 450 is an original Saeyang product , which guarantees authenticity, quality and compatibility with professional accessories and milling bits.

Features & Key Benefits:
- ✔ Powerful 100W nail drill for intensive use
- ✔ Speed range from 0–45,000 rpm
- ✔ SH37LN handpiece with 3.0 Ncm torque
- ✔ TWIST-LOCK system for quick bit changes
- ✔ Left and right turning
- ✔ Low vibrations and quiet operation
- ✔ Foot pedal included
- ✔ Automatic overload protection
- ✔ Can be used lying down
Instructions for use:
Connect the nail drill to the power supply. Insert the desired bit into the handpiece with the Twist-Lock system. Adjust the speed with the dial or use the foot pedal. Select the desired direction of rotation and start the treatment. After use, reduce the speed and switch off the device.
Technical specifications:
- Power: 100 W
- Speed: 0–45,000 rpm
- Handpiece torque: 3.0 Ncm
- Bit diameter: 2.32 mm
- Control box weight: 1.6 kg
- Control box dimensions: 141 × 186 × 97 mm
- Handpiece weight: 200 g
- Handpiece dimensions: 26 × 149 mm
- Handpiece voltage: 30 V
- Power supply: AC 220–240 V / 50–60 Hz
Is this nail drill suitable for professional use?
Yes, this model is designed for intensive and long-term professional use in salons and podiatry practices.
Is the cutter suitable for acrylic and gel?
Yes, thanks to the high torque and speed, the machine is perfect for acrylic, gel, BIAB and artificial nails.
Can I work clockwise and anticlockwise?
Yes, the machine has a left and right rotation function.
Is a foot pedal included?
Yes, the foot pedal is included in the set.
Is this an original Saeyang product?
Yes, this is an original Saeyang Marathon nail drill.