KAs dont have the greatest harmonics. don't do it. I've been in several KAs with them. Not a thing noticed. I still pulled on them from a roll with my stocker. And doing timing is kind of sucks because the timing mark is soo much further away.
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If you have three quarters, four dimes, and four pennies, you have $1.19. You also have the largest amount of money in coins without being able to make change for a dollar.