While trying to come with a good way to organize my tools in the wake of getting a toolbox, I came across this stuff called Kaizen foam. It's from a company called FastCap which is heavily involved with lean manufacturing, and they even took the term kaizen, meaning "constant improvement", from the the concept. The foam is…
Kaizen Foam - FastCap
Kaizen foam inserts for tool boxes and other cases
Level Up Your Workshop Storage Workshop storage, Kaizen foam
Serious setup here by @labikewrench - Kaizen Foam Inserts
Fastcap KAIZENFOAM20BL 7/8 in. Black Kaizen Foam
TOOL BOX FOAM ORGANIZERS will organize your tools and transform your tool box into something your friends will envy NO MORE MISPLACED OR LOST TOOLS
5S TOOL BOX SHADOW FOAM ORGANIZERS (2 COLOR) FITS CRAFTSMAN WATERLOO and HUSKY TOOL CHESTS (10.625 x 22.25, Black Top/Red Bottom)
Kaizen Foam - FastCap
Kaizen Foam - Protective, Customizable Storage For Your Tools & Equipment
Kaizen Foam Sheets and Inserts Custom Kaizen Inserts for Toolboxes – KCI Tools