1. Product Overview
The WORKPRO 108-piece socket wrench set (Model W003057) is a comprehensive collection of high-quality tools designed for a wide range of DIY, repair, and mechanical tasks. Manufactured from durable chrome vanadium steel with an anti-corrosion treatment, this set provides reliability and longevity. It includes various sockets, ratchet handles, extension bars, and other accessories to meet diverse application needs.

The complete WORKPRO 108-piece socket wrench set, neatly organized within its durable carrying case, showcasing the variety of tools included.
2. Safety Information
Always prioritize safety when using hand tools. Failure to follow these guidelines may result in injury or damage to tools.
- Wear appropriate personal protective equipment (PPE), such as safety glasses, to protect against flying debris.
- Inspect tools before each use. Do not use damaged or worn tools.
- Use the correct tool for the job. Using an incorrect size or type of tool can cause slippage and injury.
- Ensure a secure grip. Always maintain a firm grip on the tool to prevent accidental slips.
- Keep tools clean and dry. Oil, grease, or moisture can cause tools to slip.
- Do not over-tighten fasteners. Excessive force can strip threads or break tools.
- Keep children and bystanders away from the work area.
3. Package Contents
Your WORKPRO 108-piece socket wrench set includes the following components, neatly organized in a durable plastic carrying case:
- Various Sockets (Metric and E-Torx)
- 1/2-inch Drive Ratchet Handle
- 1/4-inch Drive Ratchet Handle
- Extension Bars (1/2-inch and 1/4-inch drive)
- Universal Joints (1/2-inch and 1/4-inch drive)
- Sliding T-Bar (1/2-inch and 1/4-inch drive)
- Spinner Handle (1/4-inch drive)
- Hex Keys
- Bit Sockets (Phillips, Slotted, Torx, Hex)
- Spark Plug Sockets
- Durable Plastic Carrying Case

An overhead view of the WORKPRO 108-piece socket wrench set components, including various sockets, ratchets, and accessories, arranged for clear visibility.
4. Setup
Upon receiving your WORKPRO socket wrench set, perform the following initial steps:
- Unpack the set: Carefully open the carrying case and remove all components.
- Familiarize yourself with the tools: Identify each tool and its purpose by referring to the Package Contents section.
- Inspect for damage: Check all tools for any signs of shipping damage or manufacturing defects. Contact customer support if any issues are found.
- Store properly: After inspection, return all tools to their designated slots in the carrying case for organized storage and easy access.
5. Operating Instructions
5.1. Using the Ratchet Wrench
The ratchet wrenches feature a quick-release mechanism and a directional switch for efficient operation.
- Attaching Sockets: Press the quick-release button on the ratchet head, align the socket with the square drive, and push it firmly until it clicks into place. Release the button.
- Removing Sockets: Press the quick-release button and pull the socket off the drive.
- Changing Direction: Use the inversion switch located on the ratchet head to select clockwise (tightening) or counter-clockwise (loosening) rotation. Ensure the switch is fully engaged in one direction before applying torque.

Detailed view of the WORKPRO ratchet wrench head, highlighting the quick-release button for easy socket changes and the inversion switch for changing rotation direction.

An illustration demonstrating the correct positioning of the ratchet's inversion switch (left or right) for proper operation, emphasizing that the switch must be engaged for functionality.
5.2. Using Extension Bars and Universal Joints
Extension bars and universal joints are used to access fasteners in deep, obstructed, or angled locations.
- Extension Bars: Attach an extension bar between the ratchet wrench and the socket to reach fasteners in recessed areas.
- Universal Joints: Insert a universal joint between the extension bar (or ratchet) and the socket to work at an angle around obstacles.

A user applying the WORKPRO ratchet wrench to a component on a motorcycle, demonstrating its practical use in mechanical repair tasks.
5.3. Using the Sliding T-Bar
The sliding T-bar provides increased leverage and allows for off-center application of force.
- Assembly: Slide the square drive adapter along the bar to the desired position. Attach a socket to the adapter.
- Application: Use the T-bar for breaking loose stubborn fasteners or for applications requiring higher torque.

The WORKPRO 3-way sliding T-bar and flexible extension bar, designed for accessing fasteners in tight or confined spaces, offering versatility in application.

A user operating the WORKPRO T-bar with an attached socket to work on a motorcycle brake caliper, illustrating its utility for applying torque in specific situations.
6. Maintenance
Proper maintenance ensures the longevity and performance of your WORKPRO tools.
- Cleaning: After each use, wipe down all tools with a clean, dry cloth to remove dirt, grease, and debris. For stubborn grime, use a mild degreaser and ensure tools are thoroughly dried afterward.
- Lubrication: Periodically apply a light coat of machine oil to the moving parts of the ratchet wrenches to ensure smooth operation and prevent rust.
- Storage: Always store the tools in their original plastic carrying case. This protects them from moisture, dust, and damage, and keeps them organized. The anti-corrosion treatment on the tools helps prevent rust, but proper storage is still essential.
- Inspection: Regularly inspect tools for any signs of wear, cracks, or damage. Replace any damaged tools immediately to prevent accidents.
7. Troubleshooting
If you encounter issues with your WORKPRO socket wrench set, consider the following common troubleshooting steps:
- Socket not fitting: Ensure you are using the correct size and drive type (1/2-inch or 1/4-inch) socket for the fastener and ratchet.
- Ratchet not engaging: Check the inversion switch to ensure it is fully engaged in either the tightening or loosening position. A partially engaged switch will prevent the ratchet mechanism from working.
- Socket slipping: This can indicate a worn socket or fastener. Replace worn components. Ensure the socket is fully seated on the fastener.
- Stuck fastener: For very tight fasteners, apply penetrating oil and allow it to soak. Use appropriate leverage tools like the T-bar, but avoid excessive force that could break the tool or fastener.
- Rust or corrosion: Clean tools immediately after use and store them in a dry environment. Apply a thin layer of oil for protection.
8. Specifications
| Feature | Specification |
|---|---|
| Manufacturer | WORKPRO |
| Manufacturer Code | W003057AU |
| Product Weight | 7 kg |
| Product Dimensions | 37 x 8 x 28 cm |
| Product Model Number | W003057 |
| Size | 1/2 and 1/4 Inch Ratchet Wrenches |
| Color | Blue Black |
| Style | Manual |
| Finish | Anti-corrosion Treated |
| Material | Stainless Steel (Chrome Vanadium) |
| Number of Units in Package | 1 |
| Number of Pieces | 108 |
| Head Type | Fixed Square, Hexagonal, Torx |
| Handle Position | Horizontal |
| Compatible Measurement Range | Hexagonal bolts and screws of various sizes |
| Special Features | 2 most used 1/2" and 1/4" ratchet wrenches, Rich accessories to meet different needs, Practical case to keep everything tidy |
| Specific Product Uses | DIY, Repair or Mechanical Work |
| Included Components | 108-Piece Socket Wrench Set |
| Batteries Included | No |
| Batteries Required | No |
| ASIN | B07B8Y1SNC |
| First Available Date | May 5, 2018 |
| Discontinued by Manufacturer | No |
| Country of Origin | China |
| Product Length | 28 Centimeters |
| Drive System | Slotted, Phillips, Hexagonal |
| Bit Shank Style | Socket Drive |
| Bit Compatibilities | 1/2" and 1/4" |
9. Warranty and Support
WORKPRO stands behind the quality of its products. For specific warranty information, please refer to the documentation included with your purchase or visit the official WORKPRO website. If you require technical assistance, have questions about product usage, or need to report a defect, please contact WORKPRO customer support through their official channels.
Please retain your proof of purchase for any warranty claims.