Kastaplast K1 Glow Stig Flight values: 6 5 -2 1 The Stig is an intermediate model between a fairway driver and a midar. This is an understable and sticky puck with which you can shape the fairway as you wish. This is perfect for a beginner. Glow discs shine when charged with light, either natural or artificial. They allow you to extend the day on the course or play in total darkness. The compound is an additive that is mixed with K1 or K3 plastic during the manufacturing process. Kastaplast's glowing disks are known as the best in the industry, if not the best.The color tone of the disc and the color of the stamp may not completely match the product image.