2nd Pic is the Clue

[Mike H]

This simple little device is the proper choice
as opposed to a screwdriver for a pretty specific task
As title says ...

[lptools]

For removing the type blocks?

[Mike H]

lptools
Nope, believe it or not
that little thing (approx. 3" wide)
is for opening the ink cans, actually plastic tubs
I ordered a 1 Lb. "can" from them and then couldn't
get it open. Well I coulda got it open but it might
not have been in any shape to re-close after that.