1. Important Safety Instructions
Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Work Area Safety: Keep work area clean and well lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Power tool plugs must match the outlet. Never modify the plug in any way. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
- Personal Safety: Always wear eye protection. Use hearing protection when operating the tool for extended periods. Dress properly. Do not wear loose clothing or jewelry. Keep hair and clothing away from moving parts.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing power tools.
- Service: Have your power tool serviced by a qualified repair person using only identical replacement parts. This will ensure that the safety of the power tool is maintained.
2. Product Overview
The Ryobi RMT300-SA is a versatile 300W multi-tool designed for various applications including cutting, sanding, polishing, and sharpening. Its oscillating action and adjustable head make it suitable for intricate work and reaching confined spaces.

Image 1: The Ryobi RMT300-SA 300W Multi-Tool. This image displays the main body of the tool, highlighting its ergonomic design and power cord connection.
Key Features:
- 300W Motor: Provides ample power for demanding tasks.
- 3.2° Oscillation Angle: Optimized for efficient material removal.
- 5-Position Head: Rotates 90° for enhanced access in tight corners and difficult areas.
- 6-Position Speed Selector: Allows adjustment of oscillation speed (10,000-22,000 oscillations/min) to match the application and material.
- Tool-Free Accessory Change: Features a magnetic lever for quick and easy accessory changes without additional tools.
- GripZone™ Handle: Micro-dimpled handle for a secure and comfortable grip, reducing user fatigue.
3. Included Components
The Ryobi RMT300-SA multi-tool comes with a comprehensive set of accessories to get you started on various projects. Please check the contents of your package against the list below:
- 1 x Ryobi RMT300-SA 300W Multi-Tool
- 1 x Transport Bag
- 1 x Ejection Nozzle
- 1 x Depth Stop
- 1 x Sanding Pad
- 24 x Abrasive Sheets (various grits)
- 1 x Wood/Metal Blade
- 2 x Plunge Cut Blades
- 1 x Wood/Metal Half-Moon Blade
- 1 x Diamond Half-Moon Blade

Image 2: The Ryobi RMT300-SA Multi-Tool shown with some of its included accessories, such as blades and sanding pads, demonstrating the versatility of the kit.
4. Setup
4.1 Attaching Accessories
- Ensure the tool is unplugged from the power source before attaching or removing accessories.
- Locate the accessory mounting head on the tool.
- Open the quick-release lever (magnetic lever) on the tool head.
- Align the accessory (e.g., sanding pad, blade) with the mounting pins on the tool head. The 5-position head allows you to rotate the accessory to the desired angle for your task.
- Press the accessory firmly onto the mounting pins.
- Close the quick-release lever to secure the accessory in place. Ensure it is locked securely before use.
4.2 Power Connection
Connect the tool's power cord to a suitable electrical outlet. Ensure the voltage of the power supply matches the rating on the tool's nameplate.
5. Operating Instructions
5.1 Powering On/Off
- To turn the tool ON, slide the ON/OFF switch to the 'I' position.
- To turn the tool OFF, slide the ON/OFF switch to the 'O' position.
5.2 Adjusting Speed
The tool features a 6-position speed selector dial. Rotate the dial to select the desired oscillation speed:
- Lower Speeds (1-2): Suitable for delicate materials, polishing, or when precise control is needed.
- Medium Speeds (3-4): Ideal for general sanding and softer materials.
- Higher Speeds (5-6): Best for aggressive material removal, cutting harder materials, and sharpening.
5.3 General Operation Tips
- Always hold the tool firmly with both hands, utilizing the GripZone™ handle for comfort and control.
- Apply light, even pressure. Do not force the tool, as this can lead to overheating and reduced performance.
- Allow the tool to reach full speed before engaging with the workpiece.
- For cutting, use a gentle oscillating motion to allow the blade to work effectively.
- For sanding, move the tool in a consistent pattern across the surface to ensure even material removal.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Ryobi RMT300-SA multi-tool.
6.1 Cleaning
- Always unplug the tool before cleaning.
- Use a soft brush or compressed air to clean dust and debris from the ventilation openings.
- Wipe the tool housing with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Ensure the tool is completely dry before storing or reconnecting to power.
6.2 Storage
- Store the tool and its accessories in the provided transport bag.
- Store in a dry, secure location out of reach of children and away from direct sunlight or extreme temperatures.
7. Troubleshooting
If you encounter issues with your Ryobi RMT300-SA, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | No power supply; Faulty switch | Check power cord and outlet. Ensure switch is in 'ON' position. If problem persists, seek professional service. |
| Reduced performance/overheating | Overloading the tool; Blocked ventilation; Worn accessory | Reduce pressure on the workpiece. Clean ventilation openings. Replace worn accessories. |
| Accessory not secure | Lever not fully closed; Incorrect accessory mounting | Ensure quick-release lever is fully closed and locked. Re-align accessory correctly on mounting pins. |
If these steps do not resolve the issue, please contact Ryobi customer support.
8. Specifications
Technical data for the Ryobi RMT300-SA 300W Multi-Tool:
- Model Number: RMT300-SA (5133002446)
- Power Input: 300 W
- Oscillation Angle: 3.2°
- Oscillations per Minute: 10,000 - 22,000 opm
- Power Source: Electric
- Weight (Tool Only): 1.4 kg
- Dimensions (L x W x H): Approximately 39 x 9 x 16 cm
- ASIN: B01B6EE60I
- International Article Number (EAN): 04892210135278
9. Warranty and Support
9.1 Warranty Information
This Ryobi RMT300-SA multi-tool is covered by a 3-year warranty from the date of purchase. This warranty covers defects in material and workmanship under normal use. Please retain your proof of purchase for warranty claims.
The warranty does not cover damage caused by misuse, abuse, normal wear and tear, unauthorized repairs, or failure to follow operating instructions.
9.2 Customer Support
For technical assistance, warranty claims, or to order replacement parts, please contact Ryobi customer service. Refer to the contact information provided in your product packaging or visit the official Ryobi website for your region.
When contacting support, please have your tool's model number (RMT300-SA or 5133002446) and serial number (if applicable) ready to expedite the process.