1. Introduction and Overview
Thank you for choosing the MASKO® Portable Tool Box. This comprehensive 969-piece tool set is designed for versatility and durability, suitable for home repairs, DIY projects, and professional use. This manual provides essential information for the safe and effective use of your tool set.

Image: The MASKO portable tool box, silver, with its contents laid out for display.
The tool case features a robust aluminum construction, integrated wheels, and an extendable handle for easy transport. All tools are organized across four trays, ensuring they are always ready for use.
2. Safety Information
Always prioritize safety when using tools. Read and understand all instructions before operation. Keep tools clean and in good working condition. Wear appropriate personal protective equipment (PPE) such as safety glasses and gloves. Keep out of reach of children.
3. Package Contents
Your MASKO® Portable Tool Box contains 969 pieces, meticulously organized into four trays, plus additional items. Please verify all components upon receipt.

Image: A comprehensive view of all 969 tools and accessories neatly arranged.
Tray 1: General Purpose Tools
- 1 x Crimping Pliers
- 1 x Utility Knife
- 1 x Claw Hammer
- 1 x Scissors
- 1 x Hot Glue Gun (with 2 glue cartridges)
- 1 x Spirit Level
- 1 x 5m Tape Measure
- 1 x Insulating Tape (black)
- 2 x Plastic Clamps
- 1 x Kit of Small Parts (e.g., nails, screws, dowels)
Tray 2: Wrenches and Pliers
- 9 x Combination Wrenches (8/9/10/11/12/13/14/15/17 mm)
- 1 x Universal Pliers
- 1 x Cutting Pliers
- 1 x Long Nose Pliers
- 1 x Water Pump Pliers
- 1 x Adjustable Wrench
Tray 3: Screwdrivers and Bits
- 9 x Magnetic Screwdrivers (5 Phillips, 4 Slotted)
- 2 x Mini Magnetic Screwdrivers (1 Phillips, 1 Slotted)
- 3 x Fully Insulated Screwdrivers
- 1 x Ratchet Screwdriver
- 1 x Precision Screwdriver Set (6 pieces)
- 4 x Bit Sets (12 pieces each)
- 16 x Allen Keys
- 1 x Magnetic Bit Holder
- 1 x Tire Pressure Tester
- 1 x Electrical Tester (100-250V)
- 1 x Cable Lug Crimping Pliers
- 308 x Cable Ties
Tray 4: Sockets and Ratchets
- 15 x 1/4" Sockets (4-14 mm)
- 14 x 1/2" Sockets (8-30 mm)
- 2 x 1/4" Extensions
- 2 x 1/2" Extensions
- 1 x 1/4" Universal Joint
- 1 x 1/2" Universal Joint
- 1 x Flexible Extension
- 1 x 1/4" T-Bar
- 1 x 1/2" T-Bar
- 2 x 1/2" Spark Plug Sockets (16 and 21 mm)
- 1 x Screwdriver with 1/4" Square Drive
- 1 x 1/2" Reversible Ratchet
- 1 x 1/4" Reversible Ratchet
Additional Items:
- 4 x Tool Trays (pre-filled)
- 2 x Pairs of Work Gloves
4. Setup
Your MASKO® Portable Tool Box is designed for immediate use. Follow these steps to prepare your tool set:
- Unpacking: Carefully remove the tool box from its packaging. Inspect the case and its contents for any signs of damage during transit.
- Accessing Tools: The case opens to reveal four organized trays. Each tray is designed to hold specific tools securely.
- Using the Trolley Function:
The tool box is equipped with an extendable handle and robust wheels for easy transport.

Image: Detailed views of the tool box's ergonomic handle, durable wheels, secure locking mechanism, and adjustable handle height.
- To extend the handle, press the release button (usually located on the handle itself) and pull upwards.
- To retract, press the button and push the handle down until it locks into place.
- The robust wheels allow you to roll the case to your desired location, reducing the need for heavy lifting.
5. Operating Instructions
Using your MASKO® tool set is straightforward. Here are general guidelines for operation:
- Tool Selection: Identify the appropriate tool for your task. The organized trays make it easy to locate specific items like wrenches, screwdrivers, or pliers.
- Proper Tool Use: Always use tools for their intended purpose. For example, use the correct size wrench for fasteners to prevent damage to the tool or workpiece.
- Hot Glue Gun: When using the hot glue gun, ensure it is plugged into a suitable power outlet. Allow it to heat up for a few minutes before inserting a glue cartridge and operating the trigger. Exercise caution as the nozzle and glue will be hot.
- Insulated Screwdrivers: The insulated screwdrivers are designed for electrical work up to 1000V. Always verify that the power is off before working on electrical components.
- Tire Pressure Tester: Use the tire pressure tester to accurately measure tire pressure. Refer to your vehicle's manual for recommended pressure levels.

Image: A close-up showing the tire pressure gauge in use and the insulated screwdrivers, emphasizing their safety features for electrical work.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your tools and tool box.
- Cleaning Tools: After each use, clean tools to remove dirt, grease, or debris. A dry cloth is often sufficient. For stubborn grime, use a mild cleaner and ensure tools are thoroughly dried before storage to prevent rust.
- Lubrication: Periodically apply a light oil to moving parts of pliers, ratchets, and other mechanical tools to ensure smooth operation.
- Storage: Always return tools to their designated slots in the trays. This keeps them organized and prevents damage. Store the tool box in a dry environment to protect against moisture.
- Case Care: Wipe the aluminum case with a damp cloth to keep it clean. Check the wheels and handle mechanism periodically for smooth operation and tighten any loose fasteners.
7. Troubleshooting
This section addresses common issues you might encounter.
- Missing Tools: If you find a tool missing, carefully check all trays and compartments. If still missing, refer to the warranty and support section.
- Damaged Tools: Do not use damaged tools. Using compromised tools can be unsafe and lead to further damage. Contact customer support for assistance.
- Case Latch Issues: If a latch is stiff or not closing properly, check for any obstructions. A small amount of lubricant can help if it's stiff.
- Trolley Handle/Wheel Issues: Ensure the handle release button is functioning correctly. If wheels are not rolling smoothly, check for debris or damage.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 28834_mfn |
| Dimensions (L x D x H) | 37 x 23 x 50 cm |
| Case Material | Aluminum |
| Tool Material | Steel |
| Total Weight | 14 kg |
| Number of Pieces | 969 |
| Number of Compartments | 4 |
| Water Resistance | Waterproof |
| Color | Silver |
| Country of Origin | China |
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact MASKO customer service. Keep your proof of purchase for any warranty claims.