Workshop Tools
Matco Modular Magnetic Parts Tray: A Workshop Design Worth Copying
A modular magnetic parts tray with movable ceramic magnets, heavy steel construction, and a design that invites ideas nobody has fully run with yet.
Introduction
Most parts trays are static: one magnetic dish, one shape, one size, take it or leave it. The Matco modular magnetic parts tray flips that idea around. Instead of a fixed layout, it uses a grid of movable ceramic magnet blocks that let you reshape the tray to fit whatever parts you are working with at the moment. It is a simple concept, but after using one, it is hard to go back.
What Makes the Design Interesting
The tray is built from heavy gauge steel with a large magnet on the back for mounting, plus individual ceramic magnets inside the tray itself. Those inner magnets are the interesting part. They are square, they are strong enough to hold steel parts in place, and they move around like building blocks. You can shift them to clear out a space for wrenches, cluster them to hold small fasteners, or rearrange them entirely to change the tray’s footprint.

It feels like a grown-up take on a toy. The modularity is not a gimmick either. When you are deep in a teardown and need to drop in a longer part or isolate a section, being able to reconfigure the tray on the fly is genuinely useful. The blocks also pull out completely if you want a completely open area, which means the tray scales with the job rather than dictating one.
The Price Situation
This is where things get complicated. The tray sells for around $95 through Matco’s direct tool distribution, which is a lot for a parts tray, no matter how clever the design is. It occasionally shows up second-hand, and finding one used at a fraction of that price is a much easier pill to swallow. At a typical used price in the $25 to $40 range, it competes with ordinary silicone trays while offering far more flexibility.

The high list price may explain why this design has not spread further. It is clearly a thoughtful product, but the cost of machining and fitting all these individual pieces adds up, and most buyers will not pay $95 to experiment with a tray.
Modularity in Everyday Use
In practice, the layout possibilities are the whole point. You can build a little box shape, open a long channel for wrenches, or create isolated pockets for bolts sorted by size. The tray is heavy, solidly made, and the magnets are strong enough that parts stay put even when the tray gets nudged around on a bench.

The one thing the design does not do is expand its vocabulary of shapes. There are no accessory cups, taller walls for liquids, or differently sized inserts to swap in. That is the gap other manufacturers could easily fill with a simpler, cheaper version of the same concept.
Things to Consider Before Buying
Because the magnets are exposed and strong, the tray collects everything ferrous in its vicinity. Metal filings, grit, and stray debris end up stuck to the magnet surfaces, and cleaning them out means scraping with a pick, which will scratch the finish over time. Some kind of removable cover over the magnets would solve this, but none is included.
The tray also carries some weight, so it is not the kind of thing you toss casually into a toolbox drawer. And the price, if you buy it new at full list, is hard to justify when standard magnetic trays cost a fraction as much and work fine for most tasks.
Who Should Actually Buy One
If you regularly work with small parts, disassemble hardware, or organize fasteners by type and size, the modular concept genuinely pays off. The ability to reshape your tray for each job is a real advantage over fixed layouts, and once you get used to it, standard trays feel limiting.

Buy it new only if you are already committed to the brand’s direct distribution and do not mind the premium. Otherwise, watch for it second-hand, where the value proposition is dramatically better. It is also worth noting the design space here is wide open: a cheaper competitor product with the same modular block idea would be an easy win, and nothing quite like it exists elsewhere on the market today.
Conclusion
The Matco modular magnetic parts tray is one of those rare workshop designs that feels obvious in hindsight. Movable magnets, configurable compartments, heavy steel construction. It works exactly as intended and is genuinely fun to use. The main barriers are the high direct price, exposed magnets that collect debris, and no competitor to drive the price down. If you find one at a reasonable second-hand price, it is an easy recommendation. At full list price, think carefully about whether the flexibility is worth the premium for how you actually work.
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