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4mm Robline Dinghy PolyTech

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Current Stock:
4 mm
Line Type:
Dyneema Core Double Braid

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4mm Robline Dinghy PolyTech
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The Dinghy PolyTech from Robline is an easy-to-splice control line with a Technora cover and is ideally suited for use on skiffs and dinghies. This is our line of choice in our upgraded ILCA control systems and other dinghy controls. 

  • Colors: Green, Orange, Blue
  • Diameter - 4mm
  • Core - Dyneema
  • Cover - Polyester/Technora Blend
  • Applications - Control Lines
  • Features - Low Stretch, High Strength
  • SOLD BY THE FOOT (Quantity 1 = 1 Foot. Adjust quantity to order longer lengths)


  • Strength - Dyneema fiber is stronger than steel for its weight
  • Stretch - Very low stretch and creep - resists stretching under static load
  • Material - Dyneema HMPE (high molecular weight polyethylene)

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Shipping & Returns

Delivery Info: Enjoy Free Standard Shipping on most orders* to the Continental United States over $99. Our Standard Shipping method utilizes USPS, UPS, and FedEx to send packages near and far. Oversize/Freight shipping (where applicable), Expedited Shipping (where available), and rates to other destinations will be calculated at checkout.

See our Shipping Page for more information (and exceptions).

Returns Info: Your 100% satisfaction is our goal - we want you to love your sailing gear, but if something doesn't work out, we accept returns on most new, unused items*. Returns can be made within 366 days (1 year + 1 day) of your original order date. Exceptions include (and are not limited to) cut line, Rig Shop products, special order items, numbered sailors, and items used or worn sailing.

See our Returns Page for more information.

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