Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Ferrex 20V Cordless Multi-Tool. This tool is designed for various DIY tasks, including cutting wood, metal, plastic, and brick, as well as removing grout. Please read this manual thoroughly before first use and keep it for future reference.
Note: The Ferrex 20V Cordless Multi-Tool is sold as a 'tool skin' and does not include the battery pack or charger. It is compatible with Activ Energy 20V battery packs and chargers (sold separately).
Safety Instructions
Always observe basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury. Keep your work area clean and well-lit. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Always wear appropriate personal protective equipment, including safety glasses, hearing protection, and gloves. Ensure the tool is switched off before making any adjustments, changing accessories, or storing it. Keep children and bystanders away while operating a power tool.
Package Contents
Carefully unpack the contents and ensure all items are present and undamaged. If any parts are missing or damaged, contact your retailer immediately.
- 1 x Ferrex 20V Cordless Multi-Tool
- 1 x Dust Extractor
- 1 x Segmented Saw Blade (HSS)
- 1 x Flush Cut Saw Blade (HCS)
- 1 x Diamond Saw Blade
- 1 x Scraper
- 1 x Sanding Pad
- 20 x Sandpaper Sheets
- 1 x Instruction Manual
- 1 x Warranty Card

Image: Various accessories including saw blades, sanding pad, and sandpaper sheets.

Image: A dust extractor attachment and a scraper accessory.
Setup
1. Attaching the Battery Pack
Ensure the multi-tool is switched off before attaching or removing the battery. Align the battery pack (Activ Energy 20V, sold separately) with the base of the tool and slide it in until it clicks securely into place. To remove, press the release button on the battery pack and slide it out.

Image: The Ferrex 20V Cordless Multi-Tool, showing the main body and an attached accessory blade.
2. Changing Accessories (Tool-Free)
The Ferrex Multi-Tool features a tool-free accessory change system for quick and easy blade or pad replacement.
- Ensure the tool is switched off and the battery pack is removed.
- Locate the accessory release lever/mechanism on the tool head.
- Engage the release mechanism to unlock the current accessory.
- Remove the old accessory.
- Align the new accessory (e.g., saw blade, sanding pad) with the tool head's mounting interface.
- Secure the new accessory by releasing the mechanism, ensuring it is firmly seated and locked.
- Gently pull on the accessory to confirm it is securely attached before use.
Operating Instructions
1. Powering On/Off
To switch the tool on, slide the ON/OFF switch to the 'ON' position. To switch it off, slide the switch to the 'OFF' position.

Image: A detailed view of the blue power switch located on the side of the tool body.
2. Variable Speed Control
The tool features variable speed control, allowing you to adjust the oscillation rate from 5,000 to 18,000 RPM to suit different materials and tasks. Rotate the speed dial to select the desired speed setting.

Image: A close-up of the speed adjustment dial with numerical markings (1-6) on the tool's handle.
3. LED Work Light
The integrated LED work light illuminates the work area, providing better visibility in dimly lit conditions.
4. Applications
- Cutting: Use appropriate saw blades (HSS for metal, HCS for wood/plastic, Diamond for brick/tile) for precise cuts in various materials.
- Sanding: Attach the sanding pad and sandpaper sheets for surface preparation, smoothing, or material removal.
- Grout Removal: Utilize the diamond saw blade or scraper for efficient removal of old grout between tiles.
- Scraping: The scraper accessory is suitable for removing stubborn materials like old paint, adhesive, or caulk.
Always ensure the correct accessory is used for the task and material. Apply gentle, consistent pressure and let the tool do the work. Avoid forcing the tool, as this can lead to overheating or damage.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your tool.
- Cleaning: After each use, clean the tool body with a soft, damp cloth. Remove any dust or debris from ventilation openings. Do not use harsh chemicals or abrasive cleaners.
- Accessory Care: Clean accessories after use. Store blades and pads in a dry place to prevent rust or damage. Replace worn or dull accessories promptly.
- Battery Care: Follow the instructions provided with your Activ Energy battery pack and charger for proper charging and storage.
- Storage: Store the multi-tool and its accessories in a dry, secure location, out of reach of children.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | Battery not charged or not properly inserted. | Ensure battery is fully charged and securely inserted. |
| Reduced performance or overheating. | Dull accessory, excessive pressure, or blocked ventilation. | Replace accessory, reduce pressure, clear ventilation slots. |
| Accessory not holding securely. | Accessory not properly seated or release mechanism faulty. | Re-seat accessory, ensure release mechanism is fully engaged. If issue persists, contact support. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Ferrex |
| Model | 20V Cordless Multi-Tool |
| Power Source | Battery-Powered (20V Activ Energy, not included) |
| Voltage | 20 Volts |
| No-load Speed | 5,000 - 18,000 RPM |
| Oscillation Angle | 3.0 degrees |
| Special Features | Cordless, Multi-use, Anti-vibration function, Tool-free accessory change, LED work light, Variable speed, Soft grip |
| Recommended Applications | Cutting (wood, metal, plastic, brick), Grout Removal |
| Package Dimensions | 30.5 x 14.1 x 12.4 cm; 1.63 kg |
Warranty and Support
This product comes with a warranty card. Please refer to the warranty card included in your package for details on warranty coverage, terms, and conditions. For technical support, spare parts, or service inquiries, please contact the retailer or manufacturer directly using the contact information provided with your purchase documentation.





