The Kastaplast Järn is a overstable Midrange disc.
It has been assigned a Speed of 4.5, a Glide of 3, a Turn of 0 and a Fade of 3 by the manufacturer (Kastaplast)
We have the Kastaplast Järn in K1 plastic in stock.
Also note the additional information about the plastic and the manufacturer in the additional information tab.