5 Series Beefy Block On 1 Inch T Track Slider With Aluminum Cheeks And Delrin Bearing Sheave 25mm Black For Heavy Duty Marine Rigging And Sailboat Tensioning, 316 Stainless Steel And Hard Coat Aluminum

Single-block heavy-duty marine T-track block for sailboats
✔️ 1 in (25.4 mm) T-track slider with Delrin bearing sheave

This rugged block is built for heavy-duty marine rigging on sailboats, compatible with 1 in T-track systems. It uses 316 stainless steel for the body and hard coat anodized 6061-T6 aluminum cheeks, with a UV-protected Delrin bearing sheave for smooth operation. The black finish and Spring Cap design help it perform under load in rough conditions.

✅ 316 stainless steel body and hard coat anodized aluminum cheeks
✅ Delrin bearing sheave with UV protection for long life
✅ Fits 1 in T-track, enabling up to 45-degree lead variation each side
✅ Spring Cap design provides solid block support under load
✅ Black finish to match deck hardware

💡 What is a handy, common use for a marine block in sailboat rigging and deck tensioning?

Block systems help you manage lines and tension across sails.
* Handy for directing lines along a track on deck
* Reduces wear with Delrin bearing sheave
* Works with 1 in T-track and up to 45° lead variation
* Improves sail control by keeping tension consistent
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