The Crank SS is designed to give disc golfers who don't have a lot of power more distance. More advanced disc golfers will find the Crank SS flips up easily on hyzer releases.
Discraft gives the Crank SS a stability rating of .7
 
Z-Line is Discraft's most durable plastic blend. This is a hard translucent plastic that is available in vibrant colors. Discraft claims that this plastic is the choice of pros under normal conditions for slow seasoning.