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Detail shot of a magnetic tray holding tools on a cabinet

US General Series 3 Tool Box Accessories

Explore the essential accessories designed to enhance your Series 3 tool storage. From trim kits that complete the professional look to organizers that optimize your workspace, find the right add-ons to customize your setup.
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Essential Trims for Every Cabinet Size

For 56" Cabs

U.S. GENERAL Series 3 56 in. Roll Cab Trim Kit for a Seamless, Professional Finish

This trim kit is engineered specifically for the 56-inch Series 3 roll cab, providing a seamless, finished look by covering front and top seams. Its precision fit ensures a cohesive appearance that matches the cabinet’s professional-grade construction, adding that final touch of quality.
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Trim kit installed on a 56-inch roll cabinet
Trim kit installed on a 72-inch roll cabinet
For 72" Cabs

U.S. GENERAL Series 3 72 in. Roll Cab Trim Kit to Complete the Professional Look

Designed for the largest 72-inch roll cab, this trim kit completes the system’s robust appearance. It neatly conceals seams along the top and front, complementing the heavy-duty steel construction and ensuring your flagship storage unit looks as impressive as it performs.
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For 42" Cabs

U.S. GENERAL Series 3 42 in. Roll Cab Trim Kit for a Polished, Unified Appearance

For the 42-inch roll cab, this trim kit offers the same quality finish as larger models. It provides a precise, flush fit for your compact yet capable storage solution, ensuring every part of your setup maintains a consistent and professional aesthetic.
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Trim kit installed on a 42-inch roll cabinet
Trim kit installed on a 27-inch roll cabinet
For 27" Cabs

U.S. GENERAL Series 3 27 in. Roll Cab Trim Kit for a Clean, Integrated Foundation

This trim kit is crafted for the 27-inch roll cab, the base of many modular setups. It delivers a clean, finished look to your entry-point cabinet, ensuring it blends seamlessly with add-on chests and hutches for a unified system.
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U.S. GENERAL Magnetic Tray with Screwdriver Holder for Secure, Organized Tool Storage

This magnetic tray is a versatile organizer designed for US General steel cabinets. Its powerful magnet provides a secure hold on any flat steel surface, keeping small tools, hardware, and fasteners within immediate reach to streamline tasks and maintain a clutter-free workspace.
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Magnetic tray with tools attached to a tool cabinet

Boost Functionality and Finish

Upgrade functionality and complete your setup with these popular additions. From top chest finishing to mobile hutch organization and tool storage, these accessories solve specific challenges.
Trim kit installed on a 27-inch top chest

U.S. GENERAL Series 3 27 in. Top Chest Trim Kit for a Cohesive, Towered Look

Specifically shaped for the 27-inch top chest, this trim kit provides a tailored finish that covers seams and completes the chest’s appearance. It’s the essential counterpart to a matching roll cab kit for a truly unified, professional-grade storage tower.
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Trim kit installed on a 56-inch work center hutch

U.S. GENERAL Series 3 56 in. Work Center Hutch Trim Kit for a Refined Workspace

Transform your 56-inch work center hutch with this dedicated trim kit. It provides a clean, finished appearance to the hutch’s front opening, elevating the look of your dedicated workspace and ensuring it matches the quality of the tools inside.
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Caster spacers installed on the base of a 72-inch hutch

US General Series 3 72" Caster Spacers for Stable, Factory-Spec Hutch Mobility

These caster spacers are a critical component for the 72-inch hutch. They provide a robust, factory-fit interface between the hutch base and its casters, ensuring stable mobility and proper weight distribution for safe, easy repositioning of your loaded hutch.
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A professional mechanic using accessories to organize their workspace

Common Accessory Use Cases

These accessories serve professionals and serious hobbyists who need to finalize, organize, and maintain their tool storage investments for optimal appearance, mobility, and efficiency in demanding environments.

System Completion and Aesthetics

Trim kits are ideal when you've added a new cabinet or hutch to your system and want to create a single, unified look that matches the quality of your tool storage investment.

Mobility Setup and Maintenance

Caster spacers and replacement casters are essential when setting up a new hutch, reconfiguring your shop layout, or replacing worn components to ensure safe, stable mobility under load.

Workflow Optimization

Magnetic trays and organizers are perfect for optimizing your workflow by keeping the tools you use most often accessible on the cabinet exterior, reducing drawer clutter and search time.

Choose the right fit
Choosing the right accessories for your Series 3 tool storage depends on matching your specific cabinet size and configuration. Trim kits, casters, and organizers each serve different needs, from finalizing a professional look to improving mobility and workspace efficiency.
Close-up of trim kit pieces being aligned on the edge of a steel tool cabinet
A magnetic tray with screwdrivers attached to the side of a rolling tool cabinet

Match Accessories to Your Series 3 Cabinet

Size-Specific Trim Kits

Size-specific trim kits provide a finished, cohesive appearance by covering visible seams and gaps on your roll cab or top chest. Choosing the exact match for your cabinet's width ensures seamless integration.

Mobility and Caster Compatibility

Mobility accessories like caster spacers and replacement casters are essential for maintaining smooth, stable movement under heavy loads. Verify compatibility with your specific cabinet model and weight capacity.

Organizational Add-Ons

Organizers like magnetic trays help keep frequently used tools secure and within reach, enhancing workflow. Consider your daily tasks to choose between general storage and specialized holders.

Types of Series 3 Accessories

Accessories for Series 3 tool storage fall into distinct categories, each addressing a specific need from aesthetics to mobility and organization. Identifying your primary goal—finishing, moving, or organizing—will guide you to the right type.

Finishing Trim Kits

These kits include pre-formed metal pieces that attach to cabinet seams and edges. They are essential for achieving a seamless, integrated look across a multi-piece tool storage system.

Mobility & Security Parts

Components like spacers, replacement casters, and locks are vital for maintaining or improving the functionality, security, and mobility of your heavy-duty cabinets.

Surface-Mount Organizers

Trays, holders, and organizers are designed to mount directly onto your steel cabinet surfaces, maximizing usable space and keeping essential tools instantly accessible.

Aesthetic Enhancements

This category focuses on items that enhance the cabinet’s appearance and perceived quality, providing the final, professional touch to a serious tool investment.

Functional Add-Ons

Accessories in this group solve practical problems, such as stabilizing large hutches for movement or providing secure storage for small, easy-to-lose items.

System-Integrated Components

Many accessories are part of a system, designed to work together. Trim kits often have matching counterparts for different cabinet sizes to maintain a uniform look.

What Owners Are Saying

I installed the trim kit on my 56-inch cabinet, and the difference is night and day. It took about 30 minutes and completely covered the seam. It feels like I upgraded to a more premium system. The fit was perfect right out of the box.
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Shop_Pro_Max
The magnetic tray is a game-changer for my workflow. I stuck it on the side of my top chest and now all my常用 screwdrivers and pliers are right there. It holds strong, even when I bump it. Saves me so much time digging in drawers.
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GarageCraft
Buying the caster spacers for my 72-inch hutch was a must. They fit the slots perfectly and made rolling the hutch feel solid and safe, even when it's loaded. Definitely use the right spacers for the job.
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ToolTech_99
The trim kits give my whole setup a really clean, finished look. I have a 72-inch roll cab and matching hutch, and the trim makes it look like one solid, professional unit. Worth it for the aesthetic alone.
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WrenchWizard
I was skeptical about the magnetic tray, but it's become one of my favorite additions. The magnet is incredibly strong. I use it to hold sockets while I work on a car, and it doesn't budge. Very practical.
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MobileMech
A collection of different US General tool storage accessories laid out on a workbench
Practical questions answered

Your Accessory Questions, Addressed

Trim kits are designed for specific cabinet widths. To find the right one, measure the width of your roll cab or top chest from side to side. Our kits are available for 27-inch, 42-inch, 56-inch, and 72-inch models, ensuring a precise, flush fit that completes your setup.
These accessories are engineered and tested specifically for US General Series 3 tool storage. While some may physically fit other brands, we cannot guarantee full compatibility, proper alignment, or performance. For best results and a secure fit, we recommend using accessories designed for your Series 3 cabinet.
Caster spacers are used to properly align and secure casters to the base of the 72-inch hutch. They ensure the casters fit into the existing mounting slots and hooks for a stable, robust installation, which is critical for safely moving the hutch when fully loaded.
The trim kits are designed for straightforward DIY installation. They typically snap or slide into place with basic hand tools. The process is intended to be a simple upgrade that enhances the look of your tool storage without requiring specialized mechanical skills or professional assistance.
A magnetic tray provides instant, secure storage for small metal items like screws, nuts, sockets, and screwdrivers. It attaches firmly to any steel surface on your cabinet, keeping essential items organized, visible, and within arm’s reach to streamline your workflow and reduce clutter.
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Inspiration and Installation Guides

Explore installation tips, user modifications, and real-world setups to see how others have customized their Series 3 tool storage with these accessories.