CRAFTSMAN TRADESTACK CMST21430 Deep Tool Box, 21 in.

Deep: The CRAFTSMAN TRADESTACK CMST21430 is a stackable tool box designed for storing larger tools, with a removable tray and a listed water-resistant rating. Its drop-and-lock connection and one-touch release are intended to make it easier to build and separate a TRADESTACK setup.

At a glance

A removable tray is described for carrying smaller tools separately from the main storage area.
The drop-and-lock mechanism is designed to connect with other TRADESTACK units, with a one-touch release for detaching them.
The manufacturer describes the case as IP65 material designed for dust and water resistance.

Price

$59.98Save 29%

Reference price: ~~$84.99~~

Price checked: Nov 13, 2026

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Often bought together

CRAFTSMAN TRADESTACK Tool Box, Waterproof Indoor/Outdoor, Stackable Tool Storage, Lockable, 21 Inch (CMST21430)

$199.00

Pros and cons

Pros

Removable tray provides a separate place for smaller tools while the main volume is described for larger tools.
Drop-and-lock stacking and one-touch release support reconfiguring a compatible TRADESTACK setup.
Customer feedback mentions roomy storage, perceived sturdiness and a lid mechanism customers appreciated.

Technical specifications

11 specifications

Identity
Brand	CRAFTSMAN
Model	CMST21430

Dimensions and installation
Dimensions listed	54.1L x 36.6W x 30.7H centimetres

Materials and protection
Material listed	Plastic
Water resistance listed	Water Resistant
Water and dust claim	WATER RESISTANT: IP65 material designed for dust and water resistance

Design and use
Compartments listed	5
Maximum weight recommendation	1.36 kg
Stacking connection	EASY TO CONNECT: Automatic stacking with drop-and-lock mechanism
Detachment	EASY TO REMOVE: One-touch release for quick detaching of units
Construction claim	HIGHLY DURABLE: Structural foam design for rigid walls

What to know before buying

Listing details to confirm

The listing calls the box 21 inches, while another product-type label describes it as 21.625-in. The included-components list names a removable tray and an adaptor, but does not explain the adaptor's purpose. The listing also provides a maximum weight recommendation of 1.36 kg alongside a description of storing large and heavy tools. Confirm these details and the applicable load limit for your intended use.

What’s in the box

Included

Removable tray
Adaptor

Who is it for?

A good fit for

People seeking a deep tool box for larger tools, with a removable tray for smaller items.
Buyers assembling or separating storage in a CRAFTSMAN TRADESTACK setup.

Less suited to

Buyers who need a clearly established load rating for heavy contents before purchase.
People looking for a confirmed measurement in a single consistent nominal size.

CRAFTSMAN TRADESTACK CMST21430 Deep Tool Box, 21 in. · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 189 ratings

5 stars87%87%
4 stars7%7%
3 stars4%4%
2 stars0%0%
1 star2%2%

Customer feedback highlights roomy storage, a sturdy feel and satisfaction with the lid's opening and closing mechanism. Those impressions may matter for people using the box for larger tools, but they do not establish its actual load capacity or confirm the listing's resistance claims. The aggregate ratings are mostly five-star, with a small lower-star portion, and do not explain the reasons behind individual ratings.

Positive themes

Customers describe the box as roomy and sturdy.
Customers appreciate the lid's mechanical hinges and opening and closing action.

Frequently asked questions

Can this box connect to other TRADESTACK units?

The listing describes automatic stacking with a drop-and-lock mechanism and a one-touch release. It does not specify compatibility with every TRADESTACK product.

What does the listing say about water and dust resistance?

It describes the material as IP65 and designed for dust and water resistance. This is a manufacturer claim, not an independently verified performance result.

What comes with the tool box?

The manufacturer contents list names a removable tray and an adaptor. The listing does not explain what the adaptor is for.

What size is it?

The listed dimensions are 54.1L x 36.6W x 30.7H centimetres. The title says 21 inches, while another label says 21.625-in, so the nominal size is inconsistent in the listing.