1. Setup
1.1 Unboxing and Components
Upon opening the package, ensure all components are present. The TUBINOONE Customizer Engraving Pen kit typically includes the engraving pen, a set of 30 engraving bits, a USB-C charging cable, and various stencils.

Image: Overview of the TUBINOONE Customizer Engraving Pen kit, showing the pen, 30 engraving bits, charging cable, and stencils neatly arranged in their packaging.
1.2 Charging the Device
Before initial use, fully charge the engraving pen. Connect the provided USB-C charging cable to the pen's USB charging port and a compatible power source. The power display on the pen will indicate the charging status.

Image: A detailed diagram highlighting key features of the engraving pen, including the collet lock, power display, speed adjustment switch, 1-3 gear display, and USB charging port.
1.3 Attaching Engraving Bits
To attach an engraving bit, gently insert the desired bit into the collet and push it firmly into the mechanism. Ensure the bit is securely seated before operating the device.
Video: A demonstration of the TUBINOONE Customizer Engraving Pen, showcasing its components, how to insert bits, and its general operation. This video is provided by the seller.
2. Operating
2.1 Power On/Off and Speed Adjustment
Press the red power button to turn the pen on. The same button is used to cycle through the three available speed settings. The current gear (1-3) and battery percentage are displayed on the LCD screen. Avoid using the device while it is charging.

Image: The TUBINOONE Engraving Pen highlighting its USB interface for charging and the LCD screen for one-click start and battery/speed display. The pen is shown to be lightweight.
2.2 Engraving Techniques
The engraving pen is suitable for a variety of materials. Hold the pen like a pencil and apply light, consistent pressure. Experiment with different bits and speed settings to achieve desired effects on various surfaces.
- Glass: Use fine-point diamond bits for delicate lines.
- Wood: Broader bits can create deeper grooves. Practice on scrap pieces to understand wood grain interaction.
- Metal: Harder bits are required for metal surfaces.
- Ceramics/Stone: Similar to glass, use appropriate diamond bits.

Image: A collage demonstrating various application scenarios for the engraving pen, including polishing nails, carving crystals, engraving jade, and chiseling wood.
Video: A review of the Custom Engraving Pen, demonstrating its use and features. This video is provided by the seller.
3. Maintenance
3.1 Cleaning
After each use, gently wipe the engraving pen and bits with a soft, dry cloth to remove any dust or debris. Avoid using harsh chemicals or abrasive materials that could damage the device or bits.
3.2 Bit Care and Storage
Store engraving bits in their designated slots within the provided case to prevent damage and loss. Inspect bits regularly for wear and tear; replace them if they become dull or damaged to ensure optimal performance.

Image: The TUBINOONE Engraving Pen displayed alongside its extensive collection of engraving bits, emphasizing its comfortable design and portability.
4. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; power button not pressed correctly. | Charge the device fully. Press and hold the power button for a few seconds. |
| Engraving is inconsistent or weak | Dull bit; incorrect speed setting; insufficient pressure. | Replace the bit. Adjust to a higher speed setting. Apply consistent, light pressure. |
| Bit is loose or falls out | Bit not properly inserted into the collet. | Ensure the bit is firmly pushed into the collet until it clicks into place. |
| Device overheats | Prolonged continuous use. | Allow the device to cool down before resuming use. Avoid continuous operation for extended periods. |
5. Specifications
- Product Dimensions: 4.8 x 0.07 x 0.07 inches
- Item Model Number: TUBINOONE 001
- Item Weight: 8.1 ounces
- Power Source: Rechargeable (USB-C)
- Speed Settings: 3 adjustable gears
- Included Bits: 30 high-carbon diamond bits
6. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your product packaging or contact TUBINOONE customer service directly. Keep your purchase receipt for warranty claims.