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For technicians in the paintless dent repair (PDR) industry (and really anyone who works with tools on the go) rolling modular tool systems have changed the game. Instead of dragging around heavy toolboxes or keeping a cluttered van, you now have mobile, expandable systems that can adapt to your workflow.

Two of the biggest names on the market are the Milwaukee Packout and the ToughBuilt StackTech. Both promise durability, modularity, and mobility. But how do they compare—and which one is better for PDR technicians?

We took a deep dive into the strengths and weaknesses of each system so you can make an informed choice before investing.

Why Modular Tool Systems Matter for PDR

Unlike many other trades, paintless dent removal requires mobility and precision. A PDR tech might spend the morning at a dealership, the afternoon on hail jobs, and the evening in a shop. Your tools have to move with you, stay organized, and be ready at a moment’s notice.

That’s why choosing the right modular tool system matters. It’s not just a storage solution, it’s the hub of your workflow.

The Best Tool Cart Tops for PDR Repair

Milwaukee Packout: The Industry Heavyweight

The Milwaukee Packout system has dominated the modular toolbox market for years. It’s widely available, backed by a strong brand, and has become almost a default choice for contractors, electricians, and technicians across industries.

✅ Strengths of Packout

• Proven durability – reinforced latches, thick plastic walls, and weather resistance.

• Huge ecosystem – dozens of cases, drawers, organizers, and accessories that stack together.

• Widespread availability – easy to buy from most hardware stores worldwide.

• Strong community support – countless online mods, inserts, and aftermarket upgrades.

❌ Weaknesses of Packout

• Weight – rugged construction makes it heavy, especially when stacked.

• Not designed for PDR – drawers are shallow, rods don’t fit neatly, and accessories are geared toward general trades.

• Cost adds up – while modular, buying multiple pieces quickly becomes expensive.

• Limited innovation – Packout hasn’t evolved much in recent years beyond add-ons.

Bottom Line: Packout is a solid, proven system that works well as a base for PDR, but you’ll likely need aftermarket tops or custom organizers to make it PDR-friendly.

Read This Before you buy. 4 problems with the Milwaukee Packout Tool Boxes for Paintless Dent Removal (PDR )

ToughBuilt StackTech: The Challenger

ToughBuilt’s StackTech is the new kid on the block. Launched as a direct competitor to Packout, it’s designed with some modern twists and improvements based on where Packout falls short.

✅ Strengths of StackTech

• Lighter weight – easier to lift and roll, especially for mobile techs.

• Integrated power options – built-in charging ports and power banks are available.

• Innovative drawer designs – deeper drawers with smoother slides for larger tools.

• Fresh ecosystem – expanding quickly with more specialized cases and accessories.

• Competitive pricing – often less expensive than equivalent Packout units.

❌ Weaknesses of StackTech

• Smaller ecosystem – fewer case sizes and accessories compared to Packout.

• Less proven durability – still new, so long-term toughness is untested compared to Packout’s reputation.

• Availability – not every hardware retailer stocks StackTech, so sourcing can be harder in some regions.

• Uncertain compatibility with PDR tops – fewer aftermarket modifications exist so far.

Bottom Line: StackTech brings some exciting innovations, especially around weight and usability, but it’s still building credibility in the marketplace.

Head-to-Head Comparison

Which One Is Better for PDR?

Rolling Tool Carts, What to Pick First, The Tool Cart System or the PDR Cart Top?

If you’re a PDR technician, your decision depends on how you work:

• Choose Milwaukee Packout if:

  • You want the largest, most proven ecosystem.

  • You already plan to add a PDR cart top (like Willey Quick’s) for workflow optimization.

  • Durability and brand reputation matter most.

• Choose ToughBuilt StackTech if:

  • You value lighter weight and modern features like power ports.

  • You don’t need as many accessory cases yet.

  • You want to save some cost without sacrificing too much quality.

At the end of the day, Packout remains the safe, reliable choice with widespread adoption in PDR thanks to compatibility with aftermarket cart tops. But StackTech is making waves, and for techs looking for something lighter and more innovative, it’s worth serious consideration.

Pro Tips Before You Buy

1. Plan for growth – Think six months ahead. Will you need more drawers, organizers, or accessories?

2. Check compatibility – If you want a PDR cart top, confirm which systems it’s built for.

3. Think about mobility – If you’re hauling your cart up ramps or across lots, weight may matter more than durability.

4. Budget for the full system – Don’t just look at the cost of the base unit; factor in drawers, organizers, and add-ons.

5. Ask other PDR techs – Trade shows and groups are great places to see real-world setups in action.

Conclusion: The Shootout Verdict

In the battle of Milwaukee Packout vs. ToughBuilt StackTech, there’s no outright winner—it comes down to your needs.

• Packout is the established powerhouse, with unmatched durability and an enormous range of accessories. It’s battle-tested in PDR when paired with custom tops and organizers.

• StackTech is the innovative challenger, with lighter weight, fresh features, and competitive pricing. It may be the future, but it hasn’t yet built Packout’s reputation.

For most PDR technicians today, Packout plus a PDR-specific cart top remains the gold standard. But keep an eye on StackTech—it may soon become a serious contender in the dent repair world.

🚀 Ready to Upgrade Your PDR Cart?

At Willey Quick Tools, we specialize in precision-designed PDR cart tops that transform ordinary tool systems into professional dent repair workstations. Whether you choose Milwaukee Packout or ToughBuilt StackTech, we’ll help you build a cart that keeps your workflow smooth, your tools organized, and your mobility effortless.