The Robline Dinghy PolyTech 4 mm is a premium control line built for precision, strength, and long-term durability. Featuring a Technora® / Polyester cover and Dyneema® core, it provides exceptional grip, flexibility, and resistance to wear — making it ideal for performance dinghy sailors.

Used and recommended by LiveWatersports, this line ensures smooth handling, minimal stretch, and consistent performance in all key control applications.

Key Features

• Perfect for ILCA / Laser dinghies — ideal as outhaul, cunningham, or boom vang line

• Technora® / Polyester cover for superior grip and heat resistance

• Dyneema® core for minimum stretch and maximum strength

• Extremely flexible and easy to splice

• High abrasion-resistance ensures long service life

• Excellent crossover line for skiffs and other dinghies

• Diameter: 4 mm

• Manufactured in Europe (Austria) by Robline

Why sailors rely on Robline
Robline is part of the Teufelberger Group, an Austrian rope manufacturer with more than 225 years of rope-making heritage. Developed in close collaboration with Olympic sailors, professional riggers, and top dinghy classes, Robline ropes are known for their precision, innovation, and reliability under race conditions.
Produced in Austria to the highest European standards, Robline lines are trusted worldwide by sailors who demand uncompromising quality and performance.