The Saeshin Strong 90 / 102L is a professional electric nail drill designed for nail technicians who need stable speed, reliable control, and a compact salon-ready setup. Saeshin officially lists the Strong 90 in its beauty nail drill line, and seller listings for the 90 / 102L pairing describe it as a Korean-made system used for manicure and pedicure work.

Key Features

• Up to 40,000 RPM
• 102L handpiece
• Foot pedal included
• Dual voltage 110V / 230V
• Compact control box
• Smooth, low-vibration operation
• Suitable for manicure and pedicure services
• 1-year warranty

Why Strong 90 / 102L Works Well for Daily Salon Use

This model is a good fit for nail techs who want a corded e-file with steady performance for prep, shaping, product removal, and pedicure work. Seller listings for the 102L handpiece describe strong everyday usability, while the Strong 90 base is commonly sold with reverse, foot control, and a compact desktop format.

102L Handpiece Performance

The 102L handpiece is commonly listed with up to 40,000 RPM, about 2.8–3.1 Ncm torque depending on seller listing, and a weight of about 200 g without cord. It also supports standard 2.35 mm / 3/32" bits, which makes it practical for professional manicure and pedicure services.

What’s Included

The set is commonly listed with the Strong 90 control box, 102L handpiece, foot pedal, power cord, and handpiece holder.

Technical Specifications

• Product type: Professional electric nail drill
• Model: Strong 90 / 102L
• Speed: up to 40,000 RPM
• Handpiece: 102L
• Torque: about 2.8–3.1 Ncm
• Power: 64W
• Voltage: 110V / 230V dual voltage
• Handpiece weight: about 200 g / 7.05 oz
• Bit size compatibility: 2.35 mm / 3/32"
• Origin: Korea
• Warranty: 1 year

Safe Use

When switching between forward and reverse, the motor should come to a complete stop first. Saeshin’s official Strong series manual includes this operating rule for Strong models, and it helps avoid controller errors during use.