Disc Name - The name of the model of disc. Availability - We are attempting to list every golf disc ever made. If this disc has been discontinued than we will mention it with a "no" here. If it is available, we link to an online store where you can see a product description, photos, and have the opportunity to buy one. Manufacturer - The company that makes the disc. Special Plastic - Many discs come in a variety of different plastics. Here we make a note of it whenever it is not the standard, original plastic in which the disc was first run. Weight - Measured in grams. Diameter - Measured in centimeters. Category - Discs are generally considered to be in one of three broad categories: putter, approach (sometimes called mid-range), and driver. Generally putting and approaching should be done with those discs. However, driving, especially among players with power, is often tackled with all three types. Innova Rating, Speed - (1-10) is how quickly a disc cuts through the air, where 10 is the fastest. Innova Rating, Glide - (1-7) is how much "carry" or "float" a disc has, where 7 is the most. Innova Rating, Turn - High Speed Turn is the first part and is rated from -3 (most understable - turns right) to +1 (most overstable - turns left). All ratings are for a right handed, backhand throw at average flight speed in zero to light wind conditions. Innova Rating, Fade - Low Speed Fade is the end of the flight and it is rated from 0 (stable - goes straight) to +3 (overstable - turns left). All ratings are for a right handed, backhand throw at average flight speed in zero to light wind conditions. Overall Rating - For discs made by companies other than Innova, this rating replaces the four previous entries with one description of the disc's overall stability. The stability of a disc refers to its left or right path during flight. A disc that flies essentially straight when thrown flat and with sufficient spin has a stability rating of zero. The numbers 1 to 3 indicate an "overstable" disc that will pull (or turn) to the left with 1 being the least amount of turn and 3 being the most. Conversely, the numbers -1 to -3 indicate an "understable" disc that will tend to pull (or turn) the right with -1 being the least amount and -3 being the most. All ratings are for a right handed, backhand throw at average flight speed in zero to light wind conditions. Into the Wind - All discs will have their flights affected by the wind. This refers to how little or how much the wind will change the flight of the disc. The higher the number, the less effect the wind will have. Glide - All discs will turn left when they slow down at the end of their flights. Also, all discs will fall back to earth as they run out of speed. Glide refers to a disc's ability to fade left and fall back to earth slowly and therefore continuing to glide forward at the end on their flight. The higher number means more forward glide during the last part of flight. This is not the same as the Innova rating for glide. Left Turns - This rates how good this disc is for left turn shots. Any disc whose natural flight characteristic is to go left will get a good rating here. We've also given high marks to approach discs that have true, straight flights and they are often the preferred choice for shorter, left turn shots. Right Turns - Because discs turn more to the right after getting broken in, not many discs are created to go right when new. To get a high rating here, a disc must have a tendency to turn right when new and stay turned that way. Discs that turn right fast but then turn back left hard will not receive as many points. We've also given high marks to approach discs that don't necessarily turn right naturally, but when thrown with an anhyzer (right turn angle) will hold that direction. Straight Flights - High marks go to discs that hold their angle early and then don't fade much at the end of their flights. Faster, low-profile drivers don't do this as well as the approach discs and putters, which is one reason many pros throw drives with approach discs and putters on the shorter holes. Rollers - In most cases a good roller disc is one that can be thrown flat or with a little anhyzer (right turn) angle and then the disc does the rest of the work turning over to hit the ground at a rolling angle. However, some discs aren't great rollers when new but become so when worn in a little. If a disc got a high mark in this category but not in "Right Turns" then it requires a little breaking in. Upside Down - Some discs fly farther than others upside down. Generally, the higher the number a disc gets, the slower the upside down turn which results in a longer flight. What isn't mentioned here is that without question, Discraft Z Series and Innova Champion Series are better than the rest. This is because upside down throws typically hit the ground at extreme angles causing most discs to wear out fast. These two types of plastic can absorb the punishment better than any other and last much longer. Beginner Distance - Because most beginners throw slower and with less spin than more experienced players, there are discs that will fly farther for them than the discs the pros would use. This category is for players who throw 325' or less. Pro Distance - These are the discs that will fly the farthest for players who exceed the 325' mark. Putting - Putting is such a personal thing that we gave every putter made at least 4 points here. Basically, there is no one correct choice. The putters that got 5 points are the ones that are used my most of the top players.