Key Features & Specifications
- Functionality: Multi-use mini rotary tool configured for delicate grinding, cutting, and surface polishing.
- Speed & Power: Features electronic speed control with built-in LED indicator lamps displaying the status and current gear.
- Charging Interface: Uses a convenient USB charging port located at the tail end of the device.
- Bit Compatibility: Includes multiple polishing pads and structural sanding heads for intricate circuitry tasks.
Bit Installation Methods
The tool supports two separate installation configurations depending on the style of grinding or cutting attachment:
- Direct Plug-In Bits (Standard Sanding Heads)
- Line up the straight shaft of the sanding head with the chuck.
- Push the bit straight forward into the pen tip securely until it clicks or locks firmly into place.
- Screw-Locking Bits (Sawbits & Cutting Discs)
- Loosen the tiny screw located at the tip of the mandrels.
- Seat the mini sawbit or polishing disc onto the threaded end.
- Tighten the screw back down firmly using a precision screwdriver.
- Insert the fully assembled mandrel shank straight into the front chuck of the pen.






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