# Klein Tools MODbox vs ToughBuilt StackTech

> Klein Tools MODbox and ToughBuilt StackTech don't stack together: we have no source saying either locks onto the other. Klein Tools MODbox has 17 products on sale across 7 categories, priced $19.98 to $249.99. ToughBuilt StackTech has 19 products on sale across 9 categories, priced $65.00 to $119.95. Biggest tool box by outside volume: Klein Tools MODbox Medium Toolbox at about 19 gal against ToughBuilt StackTech XL Tool Box at about 23 gal. Highest rated load: 250 lb (Klein Tools MODbox) against 800 lb (ToughBuilt StackTech).

| | [Klein Tools MODbox](https://modulartoolbox.com/lines/klein-modbox/) | [ToughBuilt StackTech](https://modulartoolbox.com/lines/toughbuilt-stacktech/) |
|---|---|---|
| Launched | 2023 | 2023 |
| Products on sale | 17 | 19 |
| Categories | Tool Boxes (2), Drawer Boxes (6), Small-Parts Organizers (1), Rolling Cases (3), Dollies & Carts (3), Wall Mounts & Hangers (1), Accessories (1) | Tool Boxes (4), Drawer Boxes (2), Crates & Totes (1), Small-Parts Organizers (3), Rolling Cases (1), Dollies & Carts (3), Wall Mounts & Hangers (1), Coolers (2), Bags & Pouches (2) |
| Price range | $19.98 – $249.99 | $65.00 – $119.95 |
| Biggest tool box | MODbox Medium Toolbox (22 × 16.1 × 12.1 in) | StackTech XL Tool Box (21 × 16 × 15.6 in) |
| Highest rated load | 250 lb (MODbox Rolling Toolbox) | 800 lb (StackTech 2-in-1 Convertible Hand Truck) |
| Weather rating | IP65 on 4 | IP65 on 1 |
| Where sold | Ohio Power Tool, Toolnut | Lowe's, Acme Tools |

## Questions

**Do Klein Tools MODbox and ToughBuilt StackTech stack together?**
No. We have no source saying Klein Tools MODbox and ToughBuilt StackTech lock onto each other, so mixing them means two separate stacks.

**Which is cheaper, Klein Tools MODbox or ToughBuilt StackTech?**
On the prices we have (as of October 3, 2026), the cheapest Klein Tools MODbox tool box is the [MODbox Small Toolbox](https://modulartoolbox.com/products/klein-modbox-small-toolbox/) at $79.98, and the cheapest ToughBuilt StackTech tool box is the [StackTech Tool Box](https://modulartoolbox.com/products/toughbuilt-stacktech-tool-box/) at $65.00. Prices are re-checked weekly.

**Which has more products, Klein Tools MODbox or ToughBuilt StackTech?**
Klein Tools MODbox: 17 products on sale across 7 categories. ToughBuilt StackTech: 19 across 9.

**Which holds more weight, Klein Tools MODbox or ToughBuilt StackTech?**
By the brands' own ratings, the most any Klein Tools MODbox piece is rated to carry is 250 lb ([MODbox Rolling Toolbox](https://modulartoolbox.com/products/klein-modbox-rolling-toolbox/)); for ToughBuilt StackTech it's 800 lb ([StackTech 2-in-1 Convertible Hand Truck](https://modulartoolbox.com/products/toughbuilt-stacktech-2-in-1-convertible-hand-truck/)). Ratings are per piece, not per stack.

**Which is more weatherproof, Klein Tools MODbox or ToughBuilt StackTech?**
Klein Tools MODbox publishes IP65 on 4 of its 17 products; ToughBuilt StackTech publishes IP65 on 1 of its 19 products. IP65 means dust-tight and protected from water jets, not submersion.

Full product lists with specs and sources: [Klein Tools MODbox](https://modulartoolbox.com/lines/klein-modbox/index.md), [ToughBuilt StackTech](https://modulartoolbox.com/lines/toughbuilt-stacktech/index.md). Page: https://modulartoolbox.com/vs/modbox-vs-stacktech/

---
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.