UK TOOLS, DIY & HOMECheck the model. Check the fit.
Storage & Access / BUYING REFERENCE

Tool-box sizes and storage systems

Measure the largest tools you intend to store before comparing tool boxes. An outside dimension does not tell you how much space remains after trays, ribs and dividers, so look for usable internal measurements or a clear layout drawing. If you want to add boxes to an existing stacking system, record the exact range rather than the brand alone. Product photographs may show a complete tower even when the listing is for one module.

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Search results. Match the specifications below to the selected listing.

Use a tool box's internal dimensions to assess storage space and its external dimensions to assess shelf, vehicle or cupboard fit. Those measurements are not interchangeable. A removable tray, moulded inlay or attached battery can change whether a particular tool fits, even when the box's overall size looks sufficient.

Internal and external dimensions: exact UK examples

Bosch publishes both sets for these UK L-BOXX orders. The dimension order below follows Bosch: width × length × height. Keep that order when comparing with a retailer that instead lists length × width × height. These figures describe the named boxes, not every generation or brand version of L-BOXX.

Internal and external dimensions: exact UK examples
Bosch UK orderInside W × L × HOutside W × L × HManufacturer source
L-BOXX 102 — 1600A012FZ302 × 387 × 92 mm357 × 442 × 117 mmManufacturer reference ↗
L-BOXX 136 — 1600A012G0302 × 386 × 114 mm360 × 444 × 151 mmManufacturer reference ↗

Test the packing layout on paper

Measure the longest tool in the configuration you will actually store, including an attached battery where applicable. Then allow for the chosen inlay, tray and the space needed to close the lid. The published inner bounding dimensions do not guarantee that a shaped tool will clear every rib or compartment.

For example, a tool 120 mm high cannot be justified by the L-BOXX 136's 151 mm external height: Bosch lists only 114 mm inside. That comparison rules out relying on those figures alone; it does not imply the tool could fit diagonally or after modifying the case.

A shared brand is not a stacking specification

Record the system name as well as the brand. DeWalt's own storage overview distinguishes TSTAK and TOUGHSYSTEM 2.0, and describes an adapter plate for joining TSTAK units onto TOUGHSYSTEM units. A shared DeWalt logo therefore does not establish a direct connection.

Check the exact boxes and any adapter in the manufacturer's compatibility information. Likewise, do not infer that Bosch L-BOXX, Milwaukee PACKOUT or an unrelated modular range interlocks simply because their footprints appear similar.

Payload, top load and contents

Bosch lists separate limits for the L-BOXX 136: up to 25 kg in the box and up to 100 kg on top. The larger figure is not its internal payload and does not set a comfortable carrying weight for the user.

An empty storage case and a tool kit supplied in a case are different purchases. Confirm the number of boxes, inlays and trays included, and require an explicit tool list before assuming pictured tools or batteries are supplied. Choose the box around both its documented limits and the load you can manage in use.

Comparison sources

Manufacturer references checked 2026-10-03. These examples describe published specifications, rather than a hands-on review.

MATCH THE DETAILS TO YOUR JOB

What to check before buying

  1. Compare internal dimensions with the stored tool, and external dimensions with the shelf or vehicle.
  2. Keep each manufacturer's dimension order and allow for the actual insert or tray.
  3. Match the exact stacking system and any required adapter.
  4. Distinguish in-box payload from top load, and empty storage from a tool kit.

Answers for your next purchase

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Reference & scope

Amazon UK product-type search

This page is a selection checklist for a product type. The manufacturer instructions and exact retailer listing determine suitability, included accessories and available variants.

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