Play Guts in the dark! In the game of GUTS, teams of one to five players stand 14 meters apart and let it rip! Weight: 113 grams (approximate) Diameter: 9 inches Made in U.S.A. Stamp & exact color may vary The official disc for the original frisbee sport, Guts. Teams of one to five players stand 14 meters apart and let it rip. Now available in glow plastic for night time fun! Guts is the oldest Frisbee disc sport with roots that began in the mid 1950's. The Guts Pro Model is also an excellent recreational discs for throwers of all ages. Easy to grip and flies great!