Info.:
www.prokennex.com
http://www.tennis-warehouse.com/ProKennexRacquets.html

KINETIC 10G AND 10G OS: The award-winning benefits of Pro Kennex Kinetic System Technology " a 15% larger power zone, 20% shock reduction, and 43% better vibration damping " in a mid-plus model (The Kinetic 10g) and in an oversize model (The Kinetic 10g OS)

HEADSIZE: 100 sq inches (MP) [110 sq inches (OS)]
LENGTH: 27 inches
WEIGHT: 11.2 -11.4 oz. unstrung
STRING PATTERN: 18x20
BALANCE: 8pts. Headlight (strung)
MATERIAL: 80% ultra-high modulus graphite and 20% fiberglass with Kinetic System Technology

Additional comments:
http://tt.tennis-warehouse.com/archi.../t-246005.html
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Mine is the mid-plus model, not the oversized one.

The strings have been tightened,
the leather grip doesn't need to be replaced
and the racket is in excellent condition (no scratches, at least that I can see).

It comes with a case with an extra pocket for tennis balls (see photo).

Best is if you see it for yourself and set a reasonable price.
I am estimating around Fr.25-50, but the price is also negotiable outside this range.

Photo: The racket is not the mid-plus, but the oversized model.

... so this year Roger Federer had to buy his own. Poor bloke.

Travelling outside of Switzerland from 16th July-20th August.