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The Polaris LS (Long Straight) was created in the late 90s as Millennium's straight precision distance driver. Nowdays the Polaris is more of a long midrange, and in Quantum plastic it's surprisingly stable -- even to the point that Millennium Pros consider the Quantum Polaris to be the Teebird of the Millennium lineup. The QPLS works great for experienced and expert throwers alike.
Quantum Plastic is similar to Innova Champion, and provides ultimate durability with extra slow wear, and a clean grip.