O Ring Half And Half
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Professionals Choice O Ring Half And Half
This O-ring is made out of 5/16" diameter material. 2 7/8" outside diameter against the extra weight in the compactness of the ring allows for a more stable feel and quick release. The two-piece half and half mouthpiece combines a twisted wire bar piece and smooth mouth across the tongue. This mouthpiece is softer than a complete twisted wire.
