D12 78 is Marlow's premium range of pre-stretched 12 strand ropes manufactured using bio-based Dyneema SK78 and is available in sizes up to 22mm diameter. D12 78 is characterized by it's light weight, low stretch and high strength making it an ideal rope for the replacement of steel wire. Strength for strength, D12 78 is 8 times lighter than an equivalent steel wire rope and exhibits none of the drawbacks with steel such as corrosion, wire splinters and dangerous recoil in the case of system failure.  D12 78 has Marlow's ArmourCoat coating as standard which increases abrasion resistance and its coefficient of friction.  However, Marlow also have a range of coatings to tackle issues such as flex fatigue and heat generation.