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Saeyang Marathon MULTI800 BS50C brushless gray nail drill
The gray Saeyang Marathon MULTI800 nail drill operates vertically and is controlled with the knee - a cover on the housing switches the device on and off hands-free. The brushless BS50C handpiece reaches up to 50,000 RPM, while the Auto Cruise function maintains the set speed throughout the treatment.

Key features
- brushless BS50C handpiece with speeds of up to 50,000 RPM and Twist-Lock system
- knee control via a cover on the housing
- Auto Cruise function maintaining a constant speed
- digital display, LED indicators, and pause function
- 150 cm handpiece cable
- compact vertical design measuring 22 x 11.5 x 21.5 cm
- speckled finish in shades of gray and beige
- Saeyang authenticity hologram on the handpiece
Knee control under the desk
The nail drill can be mounted under the countertop and switched on by pressing the cover with your knee - your hands remain with the client throughout the treatment. The Auto Cruise function maintains the set speed after the pressure is released, so the device operates steadily until you switch it off again.
Clear panel with indicators
The digital display shows the speed, while the buttons switch the rotation direction, drive mode, and pause function. LED indicators show the rotation direction, active drive, cruise control, and pause status - the device status is visible from a distance.

Brushless BS50C handpiece
The handpiece reaches a maximum speed of 50,000 RPM and sits comfortably in the hand, while the plastic housing limits heat transfer to the hand. The Twist-Lock system replaces bits in one movement, the 150 cm cable does not restrict movement, and the Saeyang hologram on the handpiece confirms the device's authenticity.

Saeyang brand
Saeyang Microtech is a Korean manufacturer of micromotors and nail drills, operating in Daegu since 1976. The Marathon line includes devices for manicure, pedicure, and prosthetic work, manufactured in accordance with ISO 9001 and marked with the CE mark.
Who it is for
For manicure and pedicure salons that mount the nail drill under the countertop and control it with their knee - the workstation stays tidy while hands remain with the client.
Other versions of this device
This nail drill is also available in a navy blue version and as the MULTI800S with FS60 foot control.
FAQ
How does knee control work?
The cover on the housing is the control element - pressing it with your knee switches the handpiece on or off, while the cruise control can maintain a constant speed after the pressure is released.
Which bits fit the handpiece?
Bits with shanks at least 30 mm long, inserted fully into the handpiece chuck - an incorrectly inserted bit may damage the handpiece.
How do I know that the nail drill is genuine?
Genuine Saeyang devices have the manufacturer's authenticity hologram on the handpiece.
Technical data
- Type: brushless professional nail drill
- Handpiece: BS50C with Twist-Lock system
- Rotation speed: up to 50,000 RPM
- Control: knee control (cover) + panel with pause function
- Cruise control: Auto Cruise
- Power: 230 W
- Input voltage: 110-240 V
- Handpiece cable: 150 cm
- Dimensions: 22 x 11.5 x 21.5 cm
- Color: shades of gray and beige, speckled finish
- Included: base with knee control, handpiece, power supply, silicone stand, bit tool, manual
- Warranty: 12 months
The product color shown in the photos may differ slightly from the actual color due to monitor settings and lighting conditions.
