The Prodigy Disc M4 is an extremely reliable understable midrange disc. It is designed for all players and flies extremely far for a midrange. The M4 will turn up when thrown hard and will then have an extra long glide and a soft straight finish. AIR Spectrum is a line of premium, lightweight discs. They are engineered for the same shot performance of their heavier counterparts with added glide. Stamp color may vary. Shade of disc color may vary. New stock stamp currently only in 160 - 164 g. Model The Prodigy Disc M4 is an extremely reliable understable midrange disc. It is designed for all players and flies extremely far for a midrange. The M4 will turn up when thrown hard and will then have an extra long glide and a soft straight finish. Plastic 400 Plastic is a premium blend of material that is extremely durable. The unique blend of plastics feels as good as it looks and will be able to be broken in over time. This tour quality plastic gives the thrower impeccable grip, even when it is wet. Specifications Diameter: 21.7cm Height: 2.0cm Rim Depth: 1.3cm Rim Width: 1.4cm Min Weight: 177g Max Weight: 180g Stability: Understable Flight Chart