Shadow Foam Multi-Packs - Pack of 3: 600mm x 420mm x 50mm | Cut and Peel Foam for Tool Boxes, Tool Chests, Flight Cases & Tool Storage | Lean, 5S, ...
Tool Control Inserts - Polystyrene.co.ukPolystyrene.co.uk
Nothing is more satisfying that foam cutouts for tool boxes. (Typically used in shops/labs where foreign objects are detrimental to a product being worked on. This ensures all tools are accounted for.) :
Foam tool organizer - Prop making - Inventables Community Forum
General | Foam tool cutouts for tool storage - Any experience here with that ? | Practical Machinist - Largest Manufacturing Technology Forum on the Web
Shadow Foam | Toolbox Foam | Tool Foam Inserts for your Tool Box