# HART Stack System

> HART Stack System is HART's modular tool storage system, launched in 2020. Modular Toolbox lists 8 products in it: 2 tool boxes, 1 drawer box, 2 small-parts organizers, 2 dollies & carts and more. Prices on file run from $26.00 to $89.88. Sold only at Walmart. It stacks with Keter Stack-N-Roll.

- Brand: [HART](https://modulartoolbox.com/brands/hart/)
- Status: current
- Launched: 2020 ([source](https://toolguyd.com/hart-stack-modular-tool-box-system-012021/))
- Page: https://modulartoolbox.com/lines/hart-stack-system/

Walmart house brand, made by Keter. TTI announced it was ending the HART business by the end of 2025 (ToolGuyd), and Walmart has been clearing HART stock through 2026; the Stack System pieces were still sold new at Walmart, by Walmart.com and by Keter, on October 2, 2026, so the line stays current until they are gone.

## Products

Dimensions are L × W × H in inches; load is the brand's rated load. Each product's page names the source of every value.

### Tool Boxes

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack System 21 Inch Tool Box](https://modulartoolbox.com/products/hart-stack-system-21-inch-tool-box/) | — | 20.7 × 13.6 × 10.3 | 5.1 | 66 | — | — |  |
| [HART Stack System Tool Box with Small Blue Organizer & Dividers](https://modulartoolbox.com/products/hart-stack-system-tool-box-with-small-blue-organizer-and-dividers/) | — | 20.7 × 13.5 × 5.8 | 4.1 | 47.5 | — | — |  |

### Drawer Boxes

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack System Two Drawer Tool Box](https://modulartoolbox.com/products/hart-stack-system-two-drawer-tool-box/) | — | — | 3.5 | 22.05 | — | — |  |

### Small-Parts Organizers

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack System Small Parts Organizer with Removable Bins](https://modulartoolbox.com/products/hart-stack-system-small-parts-organizer-with-removable-bins/) | — | 20.3 × 13.6 × 4.5 | 4.4 | 47.5 | — | — |  |
| [HART Stack System Half Tool Organizer](https://modulartoolbox.com/products/hart-stack-system-half-tool-organizer/) | — | — | 0.9 | — | — | — |  |

### Dollies & Carts

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack Cart](https://modulartoolbox.com/products/hart-stack-system-cart/) | — | 20.7 × 16.2 × 38.6 | 10.4 | 155 | — | $44.99 | Walmart (2026-09-30) |
| [HART Stack System Dolly](https://modulartoolbox.com/products/hart-stack-system-dolly/) | — | — | 4.6 | 220 | — | $26.00 | Walmart (2026-10-02) |

### Mobile Workstations

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack System, Mobile Tool Storage and Organization (3-Piece Set)](https://modulartoolbox.com/products/hart-stack-system-mobile-tool-storage-and-organization/) | — | 20.7 × 16.2 × 27.4 | 19.1 | 250 | — | $89.88 | Walmart (2026-09-30) |

## Discontinued

No longer sold new; kept for matching an old box to what it stacks with.

| Product | Size tier | Dimensions (in) | Weight (lb) | Load (lb) | Weather | Price | Store (checked) |
|---|---|---|---|---|---|---|---|
| [HART Stack System Tool Case with (2) Half Stack Organizers](https://modulartoolbox.com/products/hart-stack-system-tool-case-with-half-stack-organizers/) | — | — | — | — | — | $82.82 | Walmart (2026-09-28) |

## Questions

**What is in the HART Stack System lineup?**
Modular Toolbox lists 8 HART Stack System products: 2 tool boxes, 1 drawer box, 2 small-parts organizers, 2 dollies & carts and 1 mobile workstation.

**When did HART Stack System come out?**
HART launched Stack System in 2020 ([source](https://toolguyd.com/hart-stack-modular-tool-box-system-012021/)).

**Does HART Stack System stack with other brands?**
Yes: HART Stack System stacks with [Keter Stack-N-Roll](https://modulartoolbox.com/lines/keter-stack-n-roll/) [[source](https://www.amazon.com/Keter-250927-Stack-Storage-System/dp/B09RGLRC7F)].

**Is HART Stack System waterproof?**
None of the 8 HART Stack System products we list has a published IP weather rating, so treat them as not rated for rain or spray.

**What is the biggest HART Stack System tool box?**
By outside volume, the [HART Stack System 21 Inch Tool Box](https://modulartoolbox.com/products/hart-stack-system-21-inch-tool-box/) at 20.7 × 13.6 × 10.3 in (L × W × H), rated to carry 66 lb.

**How much does HART Stack System cost?**
Prices on file run from $26.00 ([HART Stack System Dolly](https://modulartoolbox.com/products/hart-stack-system-dolly/), at Walmart) to $89.88 ([HART Stack System, Mobile Tool Storage and Organization (3-Piece Set)](https://modulartoolbox.com/products/hart-stack-system-mobile-tool-storage-and-organization/), at Walmart), as of October 3, 2026. Prices are re-checked weekly.

**Where can I buy HART Stack System?**
HART Stack System is sold only at Walmart.


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Modular Toolbox lists modular tool storage from every brand side by side, with a source for every spec. [How we compare](https://modulartoolbox.com/how-we-compare/). Data as of 2026-10-03.