Saeyang Marathon SH37LN Handpiece 40000Rpm, Original

• Speed: 0–40,000 RPM
• Torque: 4.5 N·cm (high torque for professional use)  
• Weight: approx. 210 g (lightweight for precision work)  
• Size: 152 mm length × 28 mm diameter  
• Power: 30V / 50W  
• Bit compatibility: Standard 3/32” (2.35 mm)
• Mechanism: Twist-Lock (quick bit change)
• Cooling system: Yes (prevents overheating)
• Noise/Vibration: Low

• Acrylic & gel removal
• Hard gel shaping & refinement
• Smart pedicure procedures
• Cuticle cleaning & precision work
• Nail plate prep & surface smoothing
• Backfill & refill corrections
• Callus removal (pedicure)
• Professional salon use

Shipping & Returns
We process and fulfill all orders within 24 business hours.
Estimated delivery times:
• United States: 2–4 business days (excluding weekends and holidays)
• Canada: 6–8 business days (excluding weekends and holidays)
Customers are responsible for return shipping costs and may use any preferred shipping carrier.
Returns
We accept returns within 30 days of delivery for most products, provided that items are unused, unopened, and in their original condition and packaging.
Equipment Policy (Important)
For professional equipment (including e-files, dust collectors, lamps, and sterilizers), returns are accepted only if the item is brand new and has never been used.
All returned equipment is carefully inspected.
If any signs of use are detected (including dust, scratches, or wear), the item will not be eligible for return or exchange.
In such cases, the product may only be serviced under the manufacturer’s warranty, if applicable.
Contact
If you have any questions, feel free to contact us at info@mbmsupply.com
Agreement
By placing an order, you agree to our return policy.

Product Warranty – Saeyang

Authentic Product Guarantee

This product is a genuine professional equipment unit manufactured by Saeyang Microtech Co., Ltd. (South Korea).

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Warranty Coverage

All equipment is covered by a 1-year limited manufacturer warranty from the date of purchase.

This warranty covers:

• Manufacturing defects

• Technical malfunctions under normal professional use

• Electrical or mechanical failures not caused by misuse

All warranty services are provided exclusively through a service center in the United States.

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Service Process

• The customer is responsible for shipping the device to the service center

• Return shipping after repair is covered by the service center

• Warranty service requires:

 • Proof of purchase

 • Original warranty documentation “warranty list” please make sure to always keep it in your possession, and pro it in case of any warranty claims

Repair time may take up to 30 business days, depending on the issue.

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Important Usage Notes

• Slight vibration or airflow noise is normal depending on the type of equipment

• Mild heating during operation is also normal for professional devices

However, if you notice:

• Excessive vibration or abnormal airflow issues

• Unusual noise

• Overheating beyond normal levels

→ Please contact the authorized service center for evaluation.

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Warranty Limitations

This warranty does not cover:

• Damage caused by improper use, dropping, or physical impact

• Incorrect voltage or electrical misuse

• Normal wear and tear (including filters, bearings, brushes, and internal components)

• Damage to cables (twisting, bending, pinching)

• Unauthorized repairs or modifications

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Additional Recommendations

To ensure optimal performance and longevity:

• Use the equipment according to professional guidelines

• Avoid continuous operation at maximum load for extended periods

• Regularly clean filters and maintain the device

• Store in a dry, safe environment

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Need Assistance?

If you have any questions regarding your equipment, warranty, or service process, please contact the authorized service center or reach out to our support team — we’re always here to help: info@nbmsupply.com