The Dos X is an 8-speed fairway driver with a straight flightpath with a gentle fade. You can use the Dos X as a easy-to-control, all-purpose driver. Players of at all skill levels can benefit with the Dos X in their bag. Lone Stars glow discs have some of the best glow properties as any disc on the market. Their glow plastic has a stiffness of 2/4. The plastic is very pliable. A portion of the sales support Lisa Fajkus.