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Black.Quality finish. TPR (synthetic rubber) material with lifetime replacement warranty.Does not tear or split unlike inferior rubber types from Asia. Avoid costly time to replace failures.Features a "stepped top" with makes it easier to enlarge the hole neatly if required. Mounting hole: standard 64mm (2.5"). Mounts into panels or bulkheads up to 6mm thick. Will stand up to heavy duty use.
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