From the Manufacturer...
The KC (Ken Climo) Pro Aviar is made from the Aviar driver mold in a firm blend of Pro-line Plastic for players who prefer a stiffer disc. This is the preferred model of professional players. Great for drives, approaches and putts. Endorsed by 12-time World Champion, Ken Climo.
Weight Range: Pro: 160-175g
Best Choice for: Long life putter, Short to medium drives, Accuracy approaches
Available Plastics: Pro