I have the Approach OS. CTS stands for Constant Taper System
The frame goes from 28 head - 22 throat
It is the next line of Prince racquets after the Original Graphite series came out.
It is a players racquet 12.0+ oz. that is also a wide body.
You can't find that in any of today's racquets.
Because of that, it is a VERY stable racquet with good feel.
My OS is available for sale if you prefer a OS version.
$65 w/ shipping
In excellent condition with no damage
email if interested: firstname.lastname@example.org