Diamond is the choice of disc for beginners, children and players with moderate arm speed. It is only produced in weights between 145g-159g, which makes it easy to throw and control. It has an understable flight path with good glide and slight fade. 8 | 6 | -3 | 1 Opto is made out of some of the world’s most durable plastics. It comes in a variety of beautiful translucent colors. The Opto Line plastic has been developed to withstand severe punishment and extreme conditions better than other plastics. Stamp Colors Vary