Modular Toolbox

What stacks with what

Most modular tool storage only locks onto its own brand. These are the exceptions: systems that share a latch, and the adapters that join two that don't. Every pair below cites its source, and a pair we can't source isn't listed.

Systems that lock together directly

Adapters that join two systems

AdapterJoinsSource
Craftsman VERSASTACK adaptor that comes with the VERSASTACK XL rolling tool box Craftsman VERSASTACK XL and DeWalt TSTAK toolguyd.com ↗
Craftsman VERSASTACK adaptor that comes with the VERSASTACK XL rolling tool box and the sets that include it Craftsman VERSASTACK XL and Craftsman VERSASTACK craftsman.com ↗
DeWalt TOUGHSYSTEM 2.0 Adaptor, DWST08017$25.69 at Ohio Power Tool DeWalt ToughSystem 2.0 and DeWalt TSTAK dewalt.com ↗
Metabo metaBOX multi-adapter plate, 626900000 Metabo metaBOX and Metabo MetaLoc metabo.com ↗
Metabo metaBOX multi-adapter plate, 626900000 Makita MakPac and Metabo metaBOX metabo.com ↗
Metabo metaBOX multi-adapter plate, 626900000 Bosch L-BOXX and Metabo metaBOX metabo.com ↗
Metabo metaBOX multi-adapter plate, 626900000 DeWalt TSTAK and Metabo metaBOX metabo.com ↗

Stand-alone systems

We have found no source saying any other system locks onto these. Pick one and you're buying into that brand's lineup.

Every pair and its source

PairHowConfidenceWhat the source says
Craftsman VERSASTACK + DeWalt TSTAK directly reported “I can confirm that the Tstak boxes and Versastack boxes do indeed lock together.” toolguyd.com ↗ToolGuyd tested it by hand (April 2019). Craftsman's own pages do not say it; both are Stanley Black & Decker designs.
Craftsman VERSASTACK XL + Craftsman VERSASTACK adapter: Craftsman VERSASTACK adaptor that comes with the VERSASTACK XL rolling tool box and the sets that include it confirmed “Connect to Other VERSASTACK system boxes (sold separately) for a customizable storage solution.” craftsman.com ↗VERSASTACK XL and VERSASTACK do not lock together directly; the adaptor is not sold on its own.
Craftsman VERSASTACK XL + DeWalt TSTAK adapter: Craftsman VERSASTACK adaptor that comes with the VERSASTACK XL rolling tool box reported “The TradeStack adapter can be used to connect various Craftsman VersaStack (or Dewalt TStak) products to any TradeStack tool box.” toolguyd.com ↗
DeWalt ToughSystem 2.0 + DeWalt TSTAK adapter: DeWalt TOUGHSYSTEM 2.0 Adaptor, DWST08017 confirmed “A multi-system adaptor enables cross-platform compatibility with DEWALT TSTAK, ToughCase, TOUGHSYSTEM, and Pro Organizer products.” dewalt.com ↗Without the adaptor the two DeWalt systems do not lock together.
DeWalt ToughSystem 2.0 + DeWalt ToughSystem 2.0 DXL directly confirmed “Connect and stack TOUGHSYSTEM 2.0 modules from the top or bottom using patented auto-connect front latches.” dewalt.com ↗DXL is the larger size of ToughSystem 2.0.
Festool Systainer3 + Makita MakPac directly confirmed “Compatible with Festool, Systainer and other similar systems.” makitatools.com (archived) ↗Read from the Internet Archive's 2026-09-19 copy of Makita's MAKPAC page. Makita does not name a Systainer generation.
Festool Systainer3 + Metabo MetaLoc directly reported “Several power tool manufacturers use or offer Systainer-compatible variants.” en.wikipedia.org ↗Wikipedia lists Metabo MetaLoc among the Systainer-compatible variants; MetaLoc cases were made by Tanos, the Systainer maker.
Makita MakPac + Metabo MetaLoc directly reported “Boxes from different manufacturers are compatible and can be stacked and clipped together.” en.wikipedia.org ↗Both are listed as Systainer-compatible variants.
Metabo metaBOX + Metabo MetaLoc adapter: Metabo metaBOX multi-adapter plate, 626900000 confirmed “Suitable for Metabo MetaLOC, Systainer Classic/T-LOC, Hikoki HIK-System, Makita MAKPAC, Sortimo/Bosch L-BOXX and Dewalt T-STAK.” metabo.com ↗metaBOX does not latch to T-LOC Systainers on its own.
Makita MakPac + Metabo metaBOX adapter: Metabo metaBOX multi-adapter plate, 626900000 confirmed “Suitable for Metabo MetaLOC, Systainer Classic/T-LOC, Hikoki HIK-System, Makita MAKPAC, Sortimo/Bosch L-BOXX and Dewalt T-STAK.” metabo.com ↗
Bosch L-BOXX + Metabo metaBOX adapter: Metabo metaBOX multi-adapter plate, 626900000 confirmed “Suitable for Metabo MetaLOC, Systainer Classic/T-LOC, Hikoki HIK-System, Makita MAKPAC, Sortimo/Bosch L-BOXX and Dewalt T-STAK.” metabo.com ↗
DeWalt TSTAK + Metabo metaBOX adapter: Metabo metaBOX multi-adapter plate, 626900000 confirmed “Suitable for Metabo MetaLOC, Systainer Classic/T-LOC, Hikoki HIK-System, Makita MAKPAC, Sortimo/Bosch L-BOXX and Dewalt T-STAK.” metabo.com ↗
Bosch L-BOXX + Tekton L-BOXX directly confirmed “Easily integrates with all other components in the L-BOXX family of products.” tekton.com ↗Tekton's cases are L-BOXX made under licence, not a look-alike.
RIDGID Pro Gear 1.0 + RIDGID Pro Gear 2.0 directly confirmed “Stack compatible with RIDGID Pro Gear tool storage systems 2.0 and 1.0” ridgid.com (archived) ↗From the Mobile Gear Cart GEN 2.0 page, read from the Internet Archive's 2026-05-16 copy. The lineups differ, but the pieces lock together.
HART Stack System + Keter Stack-N-Roll directly inferred amazon.com ↗Same maker, same part number: Amazon lists the HART Stack System under Keter's model number 250927, the number Keter gives its own Stack & Roll system (keter.com/en-gb, 250927), and Keter makes HART's plastic storage (ToolGuyd, 2022). Neither brand says in so many words that the two lock together.

"Confirmed" means the brand's own page says it; "reported" means a hands-on test or reference source does; "inferred" means the evidence points to it without anyone stating it. How we handle stacking claims.