I spent 40 years in the wholesale hardware business.
I never hard a short handled sledge hammer called “hand held”.
Journalists. Probably means a short-handled sledge, what we used to call a single-jack.
I’ve got a couple 3-4 lb ones I use one handed and short handled 3lb drilling hammer is probably one of the most useful multipurpose tools I’ve ever owned
It’s likely that Cristina has never seen, much less held a sledgehammer.