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Deleted member 174758
Nutool was indeed a British brand, but they didn't make anything, instead importing manufactured tools from Taiwan and later on China. So I very much doubt that the chuck is a genuine Jacob's (although TBH the quality of Jacob's chucks has fallen considerably in recent years due to outsourcing). Unfortunately, Nutool has ceased to exist, being dissolved in 2012If it is a British make, it most likely has a Jacobs chuck...