Loos PT-1 Tension GaugeEnsure your rig is always tuned properly and consistently between practices, races, and events with the Loos PT 1 tension gauge. The PT 1 has been the gold standard used by sailors in classes such as the C420, I420, and 29er for years, and can be used to measure the rig tension on shrouds and forestays from 3 32" to 5 32" in diameter.
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