[rasz]

Its more than brand lock in, its market segmentation.

POWER TOOL MANUFACTURERS AND WHO REALLY OWNS THEM https://www.protoolreviews.com/power-tool-manufacturers-who-...

TTI owns Milwaukee, Ridgid, Ryobi. Cant swap batteries between them despite all coming from same factory.

Stanleyblackanddecker is Craftsman, Stanley, Proto, Irwin, MAC, Bostitch, DeWalt, the list goes on and on. Its pure comedy. There are some rare cases where they share same design in different regions https://www.reddit.com/r/Tools/comments/104pndo/yes_theyre_1... but other than that they pull pranks like same injection molding with same pin shape but switched polarity!