It takes a little pressure and I used a 6 ton hydrophilic bench press to use it. The hole is centered and I see no reason why I should have any problems with that.
This will center the coin and hole perfectly. Others said it needed spacers, it didn't. The cone shape inside keeps the coin centered even when you try to rip it out.
I'm a retired locksmith. Military and civilian business. I've already hit five coins. Three of these resulted in shifts from the center by as much as 0.025. The top and bottom of the set don't quite find dead center - even without the coin in place. When using a 2lb brass hammer (as intended) the top of the tool tends to "jump" causing the coin to be slightly off center. I will try to use C-clamps to "fix" the top and bottom together. The problem is that the C-clamps now make it difficult to…