Quick Summary
The AIRAJ 4-in-1 tool box set is a portable tool storage box set with four sizes: 15″, 17″, 19″ and 21″. It is designed around stackable, nested storage, so the boxes can be stored vertically when not in use.
The set also includes partitioned storage, with a transparent parts box on the top, two removable trays in each toolbox, and a bottom compartment for larger hand or power tools.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | AIRAJ |
| Product type | 4-in-1 tool box set for portable tool storage. |
| Sizes included | 15″, 17″, 19″ and 21″ tool boxes. Check these sizes against the amount of storage space you have in mind. |
| Storage layout | Transparent parts box, two removable trays in each toolbox, and a bottom compartment for larger tools. |
| Closing method | Metal buckle with an additional 2 mm padlock hole. |
| Material | High-strength PP material with added toughening agents. |
| Storage style | Stackable structure with vertical nesting for space-saving storage when not in use. |
What to Compare Before Buying
- Box sizes: This set includes 15″, 17″, 19″ and 21″ boxes. Compare the size you want to keep, carry or store against the space available.
- Internal organisation: The set uses a transparent parts box, removable trays and a lower compartment. Check whether that layout suits the tools and accessories you need to separate.
- Closure: A metal buckle and 2 mm padlock hole are included. Compare that setup with how you plan to keep the case closed.
- Storage style: The boxes nest vertically when not in use. Consider whether that stackable format suits your storage area.
What Else You May Need
If you want to use the padlock hole, you will need a suitable padlock.
Before You Decide
Check the 15″, 17″, 19″ and 21″ sizes before choosing an offer, and make sure the storage layout suits the tools you plan to keep together. If you intend to use the padlock hole, factor in a suitable padlock as well.






