One click, NOT a hit, and you're done! The other two began to vomit while hitting. The problem was that they weren't screwed all the way in, so these two are easy fixes. However, I am returning the set.
Pros
DURABLE MATERIAL: The punch tip is made of high-speed steel, which can withstand strong impact, wear-resistant and rust-resistant to extend the life of the punch, HSS hardness: HRC58Β°~60Β°.