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A mechanic selecting a tool from an open US General locker module.

US General Locker

Explore US General lockers to expand and organize your tool storage system. Compare mobile, wall-mounted, and cabinet-style lockers built from all-welded steel to securely house your tools, whether in a fixed shop or on the go.
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Explore Versatile Locker Solutions for Added Capacity

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U.S. GENERAL 22 in. Series 3 End Locker for Secure, Deep Storage

This 22-inch end locker is designed to attach to the end of a US General Series 3 roll cabinet, providing enclosed storage for larger tools. Its all-welded steel construction ensures durability, while the full-height door gives quick access to deep shelves, making it ideal for bulkier items.
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A US General 22-inch end locker attached to the side of a Series 3 tool chest.
A US General side locker mounted to the side of a large 56-inch roll cabinet.
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US General Heavy-Duty Side Locker for 56 in. Roll Cabinets

Expand a 56-inch roll cabinet with this heavy-duty side locker. Crafted from all-welded steel, it provides secure, organized space for longer tools or equipment that won’t fit standard drawers. The full-height design complements your main toolbox without sacrificing floor space.
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US General Modular Side Cabinet with Adjustable Shelves

This modular side cabinet attaches to add vertical storage to your tool chest. A full-height door with lock secures the interior, while adjustable shelves let you organize power tools, fluids, and supplies exactly as needed. It’s a versatile way to expand your system’s footprint.
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An open US General modular side cabinet showing adjustable shelves inside.
A US General mobile utility locker on four casters in a workshop.
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US General Mobile Utility Locker on Heavy-Duty Casters

Take organized storage to any job site with this mobile locker. Mounted on heavy-duty casters, it offers lockable, enclosed space you can roll where needed. Its all-welded steel construction withstands transport, providing durable, secure storage for tools and parts away from the main shop.
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US General Stackable Wall Cabinet for Vertical Garage Storage

This versatile US General stackable wall cabinet is designed to maximize vertical space in your garage or workshop. Made from sturdy steel, it provides enclosed storage with a secure side-hinged door. It’s ideal for keeping tools and supplies organized, off the floor, and within easy reach, especially in fixed shop environments.
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A US General stackable wall cabinet mounted on a workshop wall.

Specialized Lockers for Unique Storage Needs

Consider these locker types for specialized needs: utilize corner space, add hidden security, or provide ventilated storage. Each option targets a specific organizational challenge within your tool storage system.
A US General corner locker module fitted into the corner of a tool storage setup.

US General Corner Locker Module for Seamless Integration and Space Efficiency

This dedicated corner locker is designed to integrate with Series 3 systems, turning unused corner space into deep, enclosed shelving. It’s perfect for storing bulkier items or tools you need to keep secure but accessible within your existing layout.
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A US General under-drawer tool locker shown pulled out from beneath a tool chest drawer.

US General Under-Drawer Tool Locker for Secure, Hidden Specialty Storage

Add a layer of security for high-value specialty tools with this under-drawer locker. This compact, lockable unit fits beneath a standard drawer within your existing chest, creating a hidden compartment that keeps sensitive tools out of sight and protected.
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A US General ventilated storage locker with perforated door panels.

US General Ventilated Steel Locker with Perforated Door for Airflow

Store items that require airflow in this ventilated steel locker. Perforated door panels allow for ventilation, making it suitable for drying shop cloths, storing certain chemicals, or housing equipment that needs to breathe while remaining secured.
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A side-by-side view of a professional shop setup and a home garage featuring US General lockers.

Discover Who Benefits from a Locker Upgrade

US General lockers serve professional mechanics needing mobile job-site storage, hobbyists organizing a home garage, and technicians requiring secure, specialized compartments for high-value tools. Consider your primary task and environment.

Professional Shop and Garage Organization

Professional mechanics and technicians use lockers to create efficient, organized workstations. Side and end lockers keep frequently used tools adjacent, while mobile units bring necessary supplies directly to the vehicle being serviced, saving steps and time.

Home Garage and Workshop Setup

Serious hobbyists and DIYers add lockers to a home garage to categorize tools by project type or frequency of use. Wall cabinets clear floor space, and corner modules make use of awkward areas, creating a cleaner, more functional workspace.

Secure and Specialized Tool Management

Technicians with high-value specialty tools use lockers for secure, dedicated storage. Under-drawer lockers hide sensitive equipment, while ventilated lockers provide safe storage for items needing airflow, protecting investments and ensuring proper conditions.

Key Selection Factors
Choosing the right locker involves weighing capacity, mobility, and security against your space and tool inventory. A fixed wall cabinet offers bulk storage, while a mobile unit brings tools to the job. Consider lock types and shelf adjustability for your specific needs.
Comparison of a stationary wall cabinet and a mobile utility locker in a workshop setting.
Close-up of adjustable shelves inside a steel locker holding power tools and supplies.

Compare Lockers by Capacity, Mobility, and Security

Stationary vs. Mobile Storage

Stationary wall-mounted or corner lockers maximize vertical space in a fixed shop. Mobile lockers on casters provide transportable storage for job sites or moving around a large garage. Your workflow dictates the best choice.

Shelving Configuration and Access

Adjustable shelves let you configure for power tools or parts bins. Fixed shelves or deep compartments are better for larger, singular items. Matching interior layout to your tool profiles prevents wasted space and improves organization.

Locking Mechanisms and Door Style

Standard keyed locks secure contents during transport or in shared spaces. Ventilated doors offer airflow for certain items but less concealment. Consider your security needs and what you plan to store to choose appropriately.

Find the Right Locker Type for Your Shop Layout

US General lockers are categorized by mounting style, mobility, and design to match different shop layouts. Understand the key differences between end, side, wall, and corner configurations to select the type that expands your storage most effectively.

End and Side Attachments

End lockers attach to the side of a roll cabinet, extending its storage footprint. They are ideal for holding longer tools or equipment that won’t fit in standard drawers, keeping them adjacent and accessible.

Wall-Mounted and Stackable Units

Wall-mounted and stackable cabinets are fixed to a wall, maximizing vertical space. They are best for items you don’t need constant access to, or for organizing a dedicated wall area of your workshop away from the main toolbox.

Corner and Modular Integration

Corner modules are designed to fit into a 90-degree corner, utilizing space that would otherwise be wasted. They typically offer deep shelves for bulkier items, integrating seamlessly into a full storage system.

Mobile and Freestanding Options

Mobile lockers on casters provide transportable storage. You can roll them to a job site or around a large shop, offering flexible, secure space where and when you need it, separate from your main stationary chest.

Security and Hidden Compartments

Under-drawer lockers are compact, security-focused units that fit beneath a standard drawer. They create hidden compartments within your existing chest for high-value specialty tools, adding a discrete layer of protection.

Ventilated vs. Solid Door Storage

Ventilated lockers feature perforated doors for airflow. They are specialized for storing items that need ventilation, such as drying cloths or certain equipment, balancing security with air circulation requirements.

Hear from Shop Owners About Their Lockers

I added the end locker to my 56-inch roll cab, and the extra deep storage was exactly what I needed for my pry bars and long sockets. It was a straightforward install, and it feels like a natural extension of the chest. Great way to get more organized.
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Mike T.
The mobile utility locker has been a game-changer for my detailing side work. I can roll all my chemicals and towels to the client's car securely. The casters are solid, and the door lock gives me peace of mind when it's parked outside. Very practical.
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Sarah K.
I was skeptical about the corner locker fitting right, but it slots in perfectly with my Series 3 setup. Now I use that corner for bulk fluids and rarely-used tools. It turned a dead zone into useful space, and the build quality is typical US General.
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David Chen
For the price, the wall cabinet is fantastic. I mounted two in my garage for seasonal tools and camping gear. The adjustable shelves made it easy to customize. It keeps everything off the floor and dusty, and it looks sharp. Solid value.
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Linda R.
The under-drawer locker is a neat little unit. I keep my torque wrenches and specialty electrical tools in it. It's not huge, but it's discreet and keeps my most valuable items separate from the general tools. A smart addition for security.
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James O.
A person using a key to lock a US General side locker attached to a tool chest.
Common Questions

Practical Answers About Locker Selection

Measure the height and available side space on your roll cabinet. Check the specific locker’s compatibility notes. US General often designs lockers within a series (like Series 3) to match, but verifying dimensions ensures a proper fit for your specific model.
A side locker attaches directly to your main tool chest, keeping related tools adjacent. A wall cabinet is separate, mounted to a wall, and is ideal for storing items you don’t need immediate access to at the chest, or for organizing a dedicated area of your shop.
Yes, all lockers include locking mechanisms. For enhanced security, some models have reinforced hasps compatible with padlocks. Always ensure the locker is securely anchored to its mounting point, whether that’s a wall or a tool chest.
This varies by model. Some lockers feature fully adjustable shelves for custom organization, while others may have fixed shelves or deep storage areas for larger items. Check the product details to match the interior layout to what you plan to store.
Ventilated lockers have perforated doors allowing airflow. They are useful for storing items that need to breathe, like drying cloths, or for equipment that may off-gas. Solid doors provide concealment and dust protection for standard tool and parts storage.
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More Storage Solutions and Setup Guides

Continue exploring for more storage solutions, assembly details, and organizational tips to complete your US General tool storage setup and keep your workspace efficient.