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. Flight Ratings: Speed: 2, Glide: 3, Turn: 0, Fade: 2 About the plastic: Pro discs are manufactured using a special blend of plastics designed to provide unique qualities which offer increased durability and provide an enhanced grip. Our Pro Line of discs provide additional glide when compared to all our other disc lines and are more economic than our premium Champion or Star Line discs. They will beat-in faster to that ideal flight that you are looking for, as compared to more premium plastics.