Marlow Rope Excel D12 SK78 Dyneema® Rope44

Excel D12 SK78 Dyneema®

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Multipurpose Dyneema® Rope

The backbone of most modern control line setup's this single core 12 strand rope is not only stronger and lighter than steel wire of the same diameter but made from Bio based Dyneema® SK78, is the most sustainable low carbon choice available. Very low elongation, good grip, buoyant, wear and UV resistance all contribute to its prominence across applications and boat types. With a wide variety of colours making it easy to identify control lines or match a colour scheme, the hollow core 12 strand design is easy to splice into loops, dog bones, low friction rings and blocks.

Dyneema® is the textile solution to replace cables or stainless steel fittings! 

To retain maximum strength from your rope Splicing is recommended in place of a knot. A good splice should retain 90% of the ropes break load as opposed to a knot which could see break loads reduced by 60%.

Splicing kits for every type of rope and use are available here. 

Consistent& Repeatable Settings

Low stretch properties help to improve repeatable trim and consistent settings providing a higher degree of control over traditional non-technical ropes.

D12 is the rope equivalent of the swiss army knife, a must for every tool kit.


  • Halyard's
  • Control Lines
  • Kicker/Vang
  • Outhaul/Downhaul
  • Cunningham
  • Pole Up/Downhaul
  • Backstays
  • Block Lashings
  • Barber Haulers
  • Trapeze Lines
  • Strops & Loops
  • Soft Shackles
  • Stainless Steel Fitting Replacement 


  • 12 Strand Bio Based Dyneema®& SK78 Core


  • 4 Colours in 4 Diameters
  • Black, Grey, Orange & Lime (We often have smaller quantities of other colours available so please contact us if you require a specific colour)
  • 2.5mm, 3mm, 4mm, 5mm, 6mm


Rope Diameter (mm) 2.5mm 3mm 4mm 5mm
Weight (Kg/100m) 0.37 0.53 0.98 1.28
Av. Breakload (Kg) 569 995 2,060 2,360
Min. Breakload (Kg) 490 855 1,850 2,120
Spliceable Yes Yes Yes Yes