Full Dyneema Downhaul Rope 4.0mm 100m Unifiber UF600000072

Full Dyneema Downhaul Rope 4.0mm 100m Unifiber UF600000072

Description:

This Full Dyneema downhaul rope is a purpose-built 4.0 mm line supplied on a 100 m spool for sail and rig tensioning applications. Constructed from full Dyneema (UHMWPE), the rope delivers an exceptional strength-to-weight ratio with very low stretch, allowing precise and repeatable downhaul tuning. Its smooth, compact construction offers excellent abrasion and UV resistance for long-term durability in harsh marine environments. The thin 4.0 mm profile keeps bulk low while maintaining high load capacity, making it easy to handle and store on the spool. Lightweight and low in water absorption, it is comfortable to rig and reduces unwanted stretch or creep during use. Ideal for sailors and windsurfers who demand consistent performance and reliable control of sail shape.

Key Features:

• Full Dyneema construction (UHMWPE) for maximum strength-to-weight performance
• 4.0 mm diameter provides a slim profile with high working load capacity
• 100 m spool length for long runs or multiple rigs and repairs
• Extremely low stretch for precise downhaul tension and repeatable sail tuning
• Excellent abrasion resistance for contact with mast bases, pulleys and cleats
• Good UV resistance and low water absorption for extended life in marine conditions
• Smooth handling and easy to splice or terminate with common fittings
• Compatible with standard downhaul systems, shackles and deck hardware

Specifications:

Manufacturer: Unifiber
SKU: UF600000072
Material: Full Dyneema (UHMWPE)
Size/Dimensions: 4.0 mm diameter × 100 m length
Weight: Not specified by manufacturer (lightweight construction)
Color: Not specified
Size: 100 m
Category: Accessories
Age Group: Adults
Gender: Unisex

Recommended Use:

Ideal for recreational through professional windsurfers and sailors who require dependable downhaul control and precise sail tuning. Best suited for downhaul and rigging duties on windsurfing sails, small boat rigs and other marine tensioning applications in both calm and demanding conditions, including strong wind and wave exposure. Pairs well with mast bases, pulleys, shackles, cleats and splicing hardware for secure termination and long-lasting performance.