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The Roc is the number one mid-range driver because it is very reliable when thrown at high speeds. It is a straight to slightly over stable flyer with good carry. It ages slowly, becoming an excellent slow turning disc.
Bottom-stamped discs are the same as their DX counterparts, but feature no markings on the top (dome) of the disc. These discs are stamped on the underside instead. Perfect for keeping your strategy a secret from the rest of your foursome!