The Saeshin Strong 210 / 105LN Blue is a professional electric nail drill designed for nail technicians who need high speed, strong torque, and reliable daily performance for manicure and pedicure services. The Strong 210 control box uses standard DC 0–32V output, while the 105LN handpiece is the reinforced 45K version in the Strong line.
Key Features
- Up to 45,000 RPM
- 4.0 Ncm torque
- 65W power
- 110V/220V, 50–60Hz
- Twist-Lock handpiece system
- 2.35 mm / 3/32" bit compatibility
- Foot pedal included
- Compact control box with built-in holder space
- Made in Korea
- 1-year warranty
Why It Works Well for Professional Use
This setup is a strong fit for nail techs who want more speed and torque than standard 30K–35K systems. A more powerful handpiece for salon work, especially for removal, shaping, correction, and pedicure procedures where stable performance under load matters.
105LN Handpiece
The 105LN handpiece is the main strength of this model. Official source describe it with 45,000 RPM, 4.0 Ncm torque, 199 g weight without cord, and a 3/32" collet chuck, making it a stronger option for more demanding work while still staying ergonomic enough for long sessions.
What’s Included
- Strong 210 control box
- 105LN Blue handpiece
- Foot switch
- Handpiece support cup / holder
- Spare carbon brush
- Wrench
- User manual
- Box
Technical Specifications
- Product type: Professional electric nail drill
- Model: Strong 210 / 105LN Blue
- Speed: up to 45,000 RPM
- Torque: 4.0 Ncm
- Power: 65W
- Output: DC 0–32V
- Voltage: 110V/220V, 50–60Hz
- Main machine size: 13.5 × 12 × 8.5 cm
- Handpiece size: 153 × 29 mm
- Handpiece weight: 190–199 g
- Bit size compatibility: 2.35 mm / 3/32"
- Origin: South Korea
- Warranty: 12 months / 1 year
Operating Instructions
1. Switching Forward/Reverse
Always allow the motor to come to a complete stop before switching directions. Switching while the motor is running may cause errors or a lack of response.
2. Recommended RPM for
Carbide Bits
For removal work, use approximately 30,000 RPM (~65% of total power). Long work at maximum RPM may cause vibration, overheating, and premature wear.
3. Handpiece Care
- Do not apply excessive pressure.
- Insert bits fully until secure.
- Avoid dropping the handpiece.
- Keep ventilation areas clean.
- Use high-quality, balanced bits.
- Stop work if vibration or heat increases.
4. Safety
- Keep away from water.
- Do not use damaged cables.
- Unplug when not in use.
- Use appropriate voltage
