So you buy a hook spanner that fits, buy the right tools.. you reuse them, I Don' t ... ( I have seen old ones with teeth interfaces and no flats for wrenches)
Campagnolo never did not have them on any of their headsets , neither has any of the better parts ..makers since the 70's..
headset wrenches 32mm *x 1/8" thick *36 for 1.125? 40 for 1,25"
..