Grym X is a stable distance driver that provides a well-balanced combination of accuracy and glide. It is designed to be the solid and dependable main driver that experienced players are asking for. As the name implies, Grym X is the beefy cousin to Kastaplast popular Grym
About the K1-Line plastic:
K1 Line is Kastaplast’s super durable material with a nice combination of firmness and gumminess. Discs in K1 Line will appear in both solid and translucent colors.