![Selden Sail Entry Gate Tongue - 505 504 Selden Sail Entry Gate Tongue - 505 504](https://jimmygreen.com/17208-large_default/selden-sail-entry-gate-tongue.jpg)
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When reefing, the sail slides pass through the closed gate down to the boom, holding the sail in place and facilitating fast and safe reefing.
Large size for: E138, E155, E170, E177, E189, E206, E224, E237, E274 mast sections.
Small size for: E122, E130, D109, D121 mast sections.