Discraft "Factory Second Elite Z Mantis Driver Stability Rating: 0.8 Plastic: Elite Z Weight Range: 164-176g Actual disc appearance/hot stamp may differ from pictured item. This disc is a "Factory Second," which may include a blemished hot stamp, slight plastic imperfections, minor shelf wear, or other cosmetic defects that won't affect the disc's flight. It's a great way to save some money.