Modular Toolbox

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).

At a glance

Fact Klein Tools MODbox ToughBuilt StackTech
Launched 2023 2023
Products on sale1719
CategoriesTool 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 – $249.99cheapest: MODbox Wall System, Small Bin (3-pack)$65.00 – $119.95cheapest: StackTech Tool Box
Biggest tool boxMODbox Medium Toolbox22 × 16.1 × 12.1 in, ≈ 19 gal outsideStackTech XL Tool Box21 × 16 × 15.6 in, ≈ 23 gal outside
Highest rated load250 lbMODbox Rolling Toolbox800 lbStackTech 2-in-1 Convertible Hand Truck
Weather ratingIP65on 4 productsIP65on 1 product
Where soldOhio Power Tool, ToolnutLowe's, Acme Tools

Do they stack together?

No. We have no source saying Klein Tools MODbox and ToughBuilt StackTech lock onto each other, so a mixed stack means two separate stacks. Choosing between them is choosing which lineup you'll keep buying into.

What stacks with Klein Tools MODbox · What stacks with ToughBuilt StackTech

Part by part

Matched by each product's size tier within its own line, so a row pairs each brand's compact, medium, large or XL piece. Tiers are for lining lineups up; the dimensions say how big each one really is.

Tool Boxes 2 vs 4

TierKlein Tools MODboxToughBuilt StackTech
Compact
MODbox Small Toolbox 22 × 16.1 × 7.5 in · 75 lb rated · $79.98
StackTech Compact Tool Box 16 × 10.4 × 13.5 in · $82.95
Medium
MODbox Medium Toolbox 22 × 16.1 × 12.1 in · 100 lb rated · $94.98
StackTech Tool Box 21 × 16 × 7.2 in · $65.00
Large —
StackTech Large Tool Box 21 × 16 × 11.7 in · —
XL —
StackTech XL Tool Box 21 × 16 × 15.6 in · —

All tool boxes from both brands, side by side →

Drawer Boxes 6 vs 2

TierKlein Tools MODboxToughBuilt StackTech
Compact
MODbox Compact Single Drawer, Full Width 22 × 15.66 × 7.5 in · 30 lb rated · $79.99
MODbox Compact Single Drawer, Half Width 15.66 × 10.75 × 7.5 in · 20 lb rated · $59.98
 —
Medium —
StackTech 1-Drawer Tool Box 21 × 16 × 8.8 in · 50 lb rated · $119.95
Large
MODbox Multi-Depth Three-Drawer Toolbox 22.3 × 16.4 × 14.4 in · 50 lb rated · $199.98
MODbox Single Drawer Toolbox 22.3 × 16.4 × 14.4 in · 50 lb rated · $159.98
MODbox Three Drawer Toolbox 22.3 × 16.4 × 14.4 in · 50 lb rated · $199.98
MODbox Two Drawer Toolbox 22.3 × 16.4 × 14.4 in · 50 lb rated · $179.97
 —
XL —
StackTech XL 3-Drawer Tool Box 21 × 16 × 15.6 in · —

All drawer boxes from both brands, side by side →

Small-Parts Organizers 1 vs 3

TierKlein Tools MODboxToughBuilt StackTech
Compact —
StackTech Compact Low-Profile Organizer 18.7 × 10.5 × 3.7 in · —
Medium —
StackTech Low-Profile Organizer 21.1 × 18.7 × 3.7 in · —
Large —
StackTech Organizer 21 × 16 × 7.2 in · —
Untiered
MODbox Component Box, Full Width 22 × 15.7 × 5.2 in · 40 lb rated · $64.98
 —

All small-parts organizers from both brands, side by side →

Rolling Cases 3 vs 1

TierKlein Tools MODboxToughBuilt StackTech
Compact
MODbox Rolling Toolbox 22 × 20.8 × 27 in · 250 lb rated · $159.98
 —
Medium
MODbox Three Drawer Rolling Toolbox 22.3 × 21.2 × 44 in · 70 lb rated · $249.98
 —
Large
MODbox Two Drawer Rolling Toolbox 23.5 × 22.3 × 44 in · 70 lb rated · $229.99
 —
Untiered —
StackTech Rolling Tool Box 22.3 × 19.7 × 26 in · 250 lb rated · —

All rolling cases from both brands, side by side →

Dollies & Carts 3 vs 3

TierKlein Tools MODboxToughBuilt StackTech
Untiered
MODbox 4-Wheel Caster Dolly 22.5 × 20.93 × 6.84 in · $99.98
MODbox Service Utility Cart 37.25 × 17.62 × 36 in · $169.98
MODbox Utility Cart 44.63 × 25.5 × 39 in · $249.99
StackTech 2-in-1 Convertible Hand Truck 23.8 × 18.6 × 51.4 in · 800 lb rated · —
StackTech 4-Wheel Cart 23.9 × 18.9 × 7.6 in · —
StackTech Cargo Carrier 47.2 × 34.7 × 5.7 in · —

All dollies & carts from both brands, side by side →

Wall Mounts & Hangers 1 vs 1

TierKlein Tools MODboxToughBuilt StackTech
Untiered
MODbox Wall System, 32-Inch Panel (2-pack) 31.5 × 0.14 × 3.98 in · $34.98
StackTech 2-Shelf System (E-Track wall shelves) 21.5 × 17.4 × 20 in · —

All wall mounts & hangers from both brands, side by side →

Only one of them makes

  • Klein Tools MODbox only: accessories.
  • ToughBuilt StackTech only: crates & totes, coolers, bags & pouches.

Put their biggest tool boxes side by side

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 at $79.98, and the cheapest ToughBuilt StackTech tool box is the 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); for ToughBuilt StackTech it's 800 lb (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.

Answered from the catalogue data, as of October 3, 2026. How we compare.

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