Marc,

I was mistaken about the frequency information.  We can let you know what the frequency needs to be to fall within our tolerance, but you are correct when it should be close to what the shaft companies publish.  Meaning, what all the after market…

Pete D said:

I guess that would be called sponsorship - if you're good enough.

Good enough...?  What type of statement is that.  I am definitely good enough to...

arrive 15-30 minutes prior to tee time; exit my vehicle dressed in appropriate attire;…

Hi Chris,  You do have to order them through your pro shop.  If you are not having good luck with them, give us a call and we can recommend a couple of places for you.

hunter,

it's quite possible that something has gone awry with your setup.  i have the same problem and my swing coach instantly figured out what was wrong - i was pulling the club way to far inside on my takeaway which was causing me to really flatten…

I would say you should keep the shaft but adjust the club to it's lowest setting (loft wise). You might actually want to switch to a lighter shaft if you only swing your diver right around 100. That means that you are swinging about 92-95 with you 910F…