Assuming you are using the correct tool the nail/brad may be too short. Your local Napa auto parts store should have a selection of different sizes. Maybe remove the one that didn't break for comparison.


1953 Chevrolet 3600
Fried Green T'mater (Vern)
In the Stovebolt Gallery
Caution: Political Statement
Man who runs in front of car gets tired, man who runs behind car gets exhausted.