Perspective view of the Klein Tools 54100MBX MODbox rolling toolbox in iconic orange and black featuring a reinforced lid with ruler and V-groove, large 10-inch rubber wheels, and a telescoping handle.
Dimensional infographic of the Klein Tools rolling toolbox highlighting the 250 lb max weight capacity, 20.8-inch width, 22-inch length, and 27-inch height with the handle collapsed.
Open view of the MODbox rolling toolbox showing the 3,577 cubic inch internal storage capacity and an integrated metal plate on the underside of the lid for hands-free headlamp mounting.
Interior detail shot of the Klein Tools MODbox highlighting the conduit slot for wire spools and the heavy-duty spring-loaded latch mechanism for secure tool storage.
Close-up of the MODbox side rail system demonstrating how to attach modular accessories like a tool cup or tape measure holder for quick access on the jobsite.
Detailed view of the 10-inch solid rubber heavy-duty wheels designed for superior mobility and durability across rough jobsite terrain and debris.
Infographic showing the 44-inch extended height of the metal telescoping handle and a circular detail highlighting the handle's removable design to fit the box in tight spaces.
Two-step instructional graphic showing how to connect a case-compatible lid by aligning the tabs to the front slots and pressing down to securely connect the modular components.
Close-up detail of the modular connection system showing how to press the release latch to remove a smaller accessory case from the top of the MODbox rolling toolbox.
A four-panel instructional graphic demonstrating the MODbox case-compatible lid versatility, showing small, medium, and large accessory cases connecting to the top of the rolling toolbox.
Close-up detail of the MODbox workstation lid highlighting the integrated molded-in ruler, the V-groove for securing round stock, and the dual steel-reinforced lock locations for jobsite security.
A two-panel infographic showing a fully stacked Klein Tools MODbox system with a backpack and tote, highlighting the back stowage area for tall items and the front grab point for easy maneuverability.
Action shot of a professional tradesman in a hard hat rolling a fully loaded orange MODbox storage stack across a metal grate floor in an industrial electrical facility.
Front profile of a modular MODbox tool stack inside a workshop, showcasing the heavy-duty rolling base connected to multiple medium boxes and a small parts organizer with attached side rail accessories.
New! MODbox™ 2.0: One system, endless set ups promotional video
Perspective view of the Klein Tools 54100MBX MODbox rolling toolbox in iconic orange and black featuring a reinforced lid with ruler and V-groove, large 10-inch rubber wheels, and a telescoping handle.
Dimensional infographic of the Klein Tools rolling toolbox highlighting the 250 lb max weight capacity, 20.8-inch width, 22-inch length, and 27-inch height with the handle collapsed.
Open view of the MODbox rolling toolbox showing the 3,577 cubic inch internal storage capacity and an integrated metal plate on the underside of the lid for hands-free headlamp mounting.
Interior detail shot of the Klein Tools MODbox highlighting the conduit slot for wire spools and the heavy-duty spring-loaded latch mechanism for secure tool storage.
Close-up of the MODbox side rail system demonstrating how to attach modular accessories like a tool cup or tape measure holder for quick access on the jobsite.
Detailed view of the 10-inch solid rubber heavy-duty wheels designed for superior mobility and durability across rough jobsite terrain and debris.
Infographic showing the 44-inch extended height of the metal telescoping handle and a circular detail highlighting the handle's removable design to fit the box in tight spaces.
Two-step instructional graphic showing how to connect a case-compatible lid by aligning the tabs to the front slots and pressing down to securely connect the modular components.
Close-up detail of the modular connection system showing how to press the release latch to remove a smaller accessory case from the top of the MODbox rolling toolbox.
A four-panel instructional graphic demonstrating the MODbox case-compatible lid versatility, showing small, medium, and large accessory cases connecting to the top of the rolling toolbox.
Close-up detail of the MODbox workstation lid highlighting the integrated molded-in ruler, the V-groove for securing round stock, and the dual steel-reinforced lock locations for jobsite security.
A two-panel infographic showing a fully stacked Klein Tools MODbox system with a backpack and tote, highlighting the back stowage area for tall items and the front grab point for easy maneuverability.
Action shot of a professional tradesman in a hard hat rolling a fully loaded orange MODbox storage stack across a metal grate floor in an industrial electrical facility.
Front profile of a modular MODbox tool stack inside a workshop, showcasing the heavy-duty rolling base connected to multiple medium boxes and a small parts organizer with attached side rail accessories.
New! MODbox™ 2.0: One system, endless set ups promotional video
KLEIN TOOLS

Klein Tools 54100MBX MODbox Rolling Toolbox Modular Storage System 10 Inch Rubber Wheels IP65 Rated 250 lb Capacity Heavy Duty Mobile Workstation Lid

Only 2 left
SKU: 54100MBX
$159.98

Description

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Ultimate Heavy-Duty Modular Mobility for Professional Jobsite Organization

The Klein Tools 54100MBX MODbox™ Rolling Toolbox is engineered to serve as the high-strength foundation of your customized mobile workstation. Constructed from impact-resistant polymers and boasting a massive 250-pound load rating, this rolling chest is built to transport your heaviest gear across the most demanding terrains. The oversized 10-inch solid rubber wheels provide superior clearance over gravel, mud, and stairs, while the removable telescoping handle allows for easy storage in tight truck beds or under van shelving. With an IP65-rated seal, your expensive power tools and precision instruments remain completely protected from dust and driving rain, ensuring your equipment stays clean and dry no matter the environment.

Beyond simple transport, the MODbox™ Rolling Toolbox enhances on-site productivity with its multi-functional design. The reinforced lid features an integrated V-groove for securing pipe and conduit during cuts, along with a molded-in ruler for rapid measurements. Built-in side rails provide endless expansion possibilities, allowing you to click in MODbox™ attachments for quick-access tool storage. This unit also features a steel-reinforced lock point for security and a specialized headlamp bracket for hands-free illumination in dark workspaces. Whether you are an electrician, plumber, or general contractor, the 54100MBX delivers the rugged durability and modular flexibility required to stay organized and efficient on every job.

Key Features

  • 250-Pound Load Capacity: Heavy-duty construction designed to carry a full suite of professional tools and equipment.
  • Superior Mobility: 10-Inch solid rubber wheels and a removable telescoping handle conquer rough jobsite terrain with ease.
  • IP65 Weather Protection: Impact-resistant polymer shell is sealed to keep out dust, water, and debris.
  • Work-Ready Lid: Features an integrated V-groove for cutting pipe and a molded-in ruler for on-the-go measuring.
  • Patented Rail System: Built-in side rails accept a wide variety of MODbox™ attachments for custom storage expansion.
  • Hands-Free Lighting: Integrated headlamp bracket allows you to mount a Klein headlamp for low-light area illumination.

What's Included

  • (1) MODbox™ Rolling Toolbox (54100MBX)
  • (1) Removable Telescoping Handle

Specifications

Specification Details
Brand Klein Tools
Model Number 54100MBX
Weight Capacity 250 lbs
Ingress Protection IP65 Rated
Wheel Size 10 Inches (Solid Rubber)
Handle Height (Extended) 44.0 Inches
Overall Height 27.0 Inches
Overall Length 22.0 Inches
Overall Width 20.8 Inches
Material Impact Resistant Polymers
Total Storage Area 3,577 Cubic Inches
Tool Weight 30.4 lbs

Pro-Tip: To maximize your jobsite efficiency, use the built-in side rails to attach a MODbox™ Parts Bin or Tool Cup. This allows you to keep your most frequently used fasteners or hand tools on the outside of the box, saving you from having to unstack components when you need to grab a quick item while working on the lid's measurement surface.