The main size of the container for tools. Inches are traditionally used for this designation, and the length is usually indicated as the main size. This information allows you to evaluate the "weight category" of the product as a whole, as well as to determine whether it is suitable for a particular instrument of large sizes. At the same time, the characteristics usually indicate the overall dimensions on all three main sides (in millimetres), however, it is more convenient for many craftsmen to use the size designation in inches.
For kits (see below), this paragraph indicates the dimensions of all containers supplied in the kit.
The number of compartments and/or pockets provided in the design of the tool container (with the exception of organizers, including those built into the lid — for them the number of cells is indicated separately, see below).
The more compartments or pockets, the easier it is to keep numerous items in the container at the same time. On the other hand, more compartments (for the same product size) usually means smaller individual compartments. The most modest models have
up to 10 compartments / pockets, in the most capacious this number can
exceed 30. Of course, when choosing by this parameter, you should take into account the type of container (see above). So, for traditional boxes, the maximum value is actually
20 compartments, and among backpacks there are models with
20 – 30 compartments.