discraft z line uv ledgestone focusFocus is one of the older molds from Discraft, and has been on the market for many years. It is relatively deep and with a distinctive bead on the underside. Here, Discraft's Focus comes out in a very special Ledgerstone Open i, which is made of UV reactive plastic. The disc is completely white when it is inside or in your bag and is not exposed to the sun's UV light. When you take it outside, the disc changes color and takes on a pink glow. Stamp