The 2021 Tour Series discs feature the new Metallic Z plastic. Comet - Midrange: Speed 4 | Glide 5 | Turn -2 | Fade 1 | Stability 0.0. If you own only one disc, this is it. The legendary Comet™ is a super accurate, straight flying approach midrange. The venerable Comet is like a favorite pair of old shoes: trustworthy and comfortable. Need to go 300 feet on a straight line? Reach for a Comet.