Introduction
Welcome to the user manual for your DEWALT DWMT73807 15-Piece Accessory Tool Kit. This manual provides essential information for the safe and effective use, maintenance, and storage of your new tool set. Please read these instructions carefully before using the product.
This 15-piece 1/4-inch and 3/8-inch Drive Tool Accessory Set is designed for portability and ease of transport between various work areas. It features a removable inner tray, allowing it to fit conveniently into most standard-height tool chest drawers. This set is also part of a comprehensive DEWALT storage solution, compatible with other interlocking stackable sets for customized tool organization.
Product Overview
The DEWALT DWMT73807 kit includes a selection of high-quality accessories designed to enhance your existing tool collection. Key features and included components are detailed below.
Key Features:
- Lockable and Stackable Case: The socket set case is designed to be lockable and stackable, featuring a removable inner tray for versatile storage.
- Hard Stamped Markings: All socket accessories feature hard stamped markings for clear and easy identification.
- Knurled Ring: A knurled ring on sockets provides enhanced grip and control during use.
- Durable Construction: Made from Alloy Steel with a Brushed finish for long-lasting performance.
- ANSI Specifications: This product exceeds ANSI Specifications, ensuring high quality and reliability.
Included Components (15-Piece Set):
- 1x 1/4" Drive 3" Extension
- 1x 1/4" Drive 6" Extension
- 1x 1/4" Drive 10" Extension
- 1x 3/8" Drive 3" Extension
- 1x 3/8" Drive 6" Extension
- 1x 3/8" Drive 10" Extension
- 3x 3/8" Spark Plug Sockets (5/8", 3/4", 13/16")
- 1x 1/4" to 3/8" Drive Adaptor
- 1x 1/4" Drive Universal Joint
- 1x 3/8" to 1/4" Drive Adaptor
- 1x 3/8" Drive Universal Joint
- 1x 1/4" Drive Drill Adaptor
- 1x 3/8" Drive Drill Adaptor

Figure 1: The DEWALT DWMT73807 15-Piece Accessory Tool Kit, showcasing all included components and the storage case.

Figure 2: The DEWALT DWMT73807 kit with its lid open, showing the organized layout of tools within the removable inner tray.
Setup
Your DEWALT DWMT73807 Accessory Tool Kit comes pre-organized in its durable storage case. No assembly is required for the individual components.
- Unpacking: Carefully remove the tool kit from its packaging. Inspect all components for any signs of damage.
- Case Access: Unlatch the yellow clips on the front of the case to open the lid.
- Removable Tray: The inner tray containing the tools can be lifted out of the main case. This allows for flexible storage options, such as placing the tray directly into a tool chest drawer.
- Organization: Familiarize yourself with the placement of each tool within the tray for efficient access during use.

Figure 3: The DEWALT DWMT73807 kit opened, showing the secure fit of each accessory within the molded tray.
Operating Instructions
This accessory tool kit is designed for use with appropriate drive tools (ratchets, breaker bars, impact wrenches, drills) for various fastening and loosening tasks.
General Use:
- Select the Correct Tool: Choose the appropriate socket, extension, or adapter for the task at hand. Ensure the drive size (1/4" or 3/8") matches your drive tool.
- Attachment: Firmly push the accessory onto the square drive of your ratchet, extension, or adapter until it clicks into place. Ensure a secure connection.
- Spark Plug Sockets: When using spark plug sockets, ensure the internal rubber grommet securely grips the spark plug for safe removal and installation.
- Universal Joints: Universal joints allow for angled access to fasteners. Use them when direct access is not possible, but be aware that they can reduce torque transmission.
- Drill Adapters: The 1/4" and 3/8" drill adapters allow you to use your sockets with a power drill for faster fastening/loosening. Ensure the drill is set to the appropriate torque and speed.
- Detachment: To remove an accessory, firmly pull it off the drive tool. Some drive tools may have a quick-release button that assists in detachment.
Safety Precautions:
- Always wear appropriate personal protective equipment (PPE), such as safety glasses.
- Do not use damaged or worn tools.
- Ensure the tool is properly seated on the fastener to prevent slipping and damage.
- Do not exceed the recommended torque for fasteners or the strength limits of the tools.
- Keep hands and fingers clear of moving parts.
Maintenance
Proper maintenance will ensure the longevity and optimal performance of your DEWALT Accessory Tool Kit.
- Cleaning: After each use, wipe down tools with a clean, dry cloth to remove dirt, grease, and debris. For stubborn grime, a mild degreaser can be used, followed by thorough drying.
- Lubrication: Periodically apply a light coat of rust-preventative oil to the metal surfaces, especially on universal joints and adapters, to ensure smooth operation and prevent corrosion.
- Inspection: Regularly inspect all components for signs of wear, cracks, bends, or other damage. Replace any damaged tools immediately to prevent injury or further damage to fasteners.
- Storage: Always store the tools in their original case in a dry environment to protect them from moisture and impact. The lockable and stackable case is designed for secure storage.
Troubleshooting
This section addresses common issues you might encounter with your tool kit.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool not attaching securely to drive. | Incorrect drive size; debris in square drive; worn drive tool. | Ensure drive sizes match (1/4" to 1/4", 3/8" to 3/8"). Clean any debris from the square drive. Inspect your drive tool for wear. |
| Difficulty detaching a tool. | Tight fit; lack of lubrication; debris. | Apply slight twisting motion while pulling. Ensure no debris is obstructing the connection. A small amount of lubricant can help. |
| Tool slipping on fastener. | Incorrect size socket; worn socket; damaged fastener. | Use the correct size socket for the fastener. Replace worn sockets. If the fastener is damaged, consider a specialized removal tool. |
| Rust or corrosion appearing. | Exposure to moisture; improper storage. | Clean and dry tools thoroughly after use. Store in a dry environment. Apply rust-preventative oil periodically. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | DEWALT |
| Model Number | DWMT73807 |
| Material | Alloy Steel |
| Finish Type | Brushed |
| Number of Pieces | 15 |
| Drive Bit Shank Style | QUICK_RELEASE |
| Bit Compatibilities | 1/4 inch, 3/8 inch |
| Item Weight | 3.52 ounces |
| Product Dimensions | 13.39 x 7.87 x 2.36 inches |
| Head Style | Fixed Square, Hex |
| UPC | 076174738070 |
Warranty Information
The DEWALT DWMT73807 15-Piece Accessory Tool Kit is covered by a Limited Lifetime Warranty. This warranty covers defects in material or workmanship for the life of the product. For specific details regarding warranty claims and coverage, please refer to the official DEWALT warranty policy or contact DEWALT customer support.
Support
For further assistance, technical support, or to inquire about replacement parts, please contact DEWALT customer service. You can typically find contact information on the official DEWALT website or through the retailer where you purchased the product.
Online Resources: Visit the official DEWALT website for product registration, FAQs, and additional support materials.
Contact DEWALT: Refer to your product packaging or the DEWALT website for the most current customer service contact details.





