Видео с ютуба How To Center Punch
How to Use a Center Punch (Pre-Drilling Operation)
Make a Centre Punch - An Easy Metal Lathe Project
Optical Centre Punch - One Day Build Project
Which center punch is best?
Make A Spring Tool Center Punch
Optical Centre Punch - Small Production Run with some Tips and Tricks
Adam Savage's Favorite Tools: Optical Center Punch!
Quick and simple blacksmith tool - S7 center punch