If this is the model I think it is I seem to remember that it takes bits that are virtually identical in size to the TCP bits but without the magnetic slug and a deeper hole for the sensor to fit.
I think these may be the type :-
https://uk.farnell.com/w/c/tools-pro...ange=et-series
I have a couple of 4ETP-1 bits bought in error which you could have to prove the point if you like.