Confused about which rope to buy? Rooster Spectwelve™ 100% Dyneema® SK78 12-strand construction that has been treated with a specialised marine coating. Stronger than steel! Diameter (mm); Weight (kg/100m) Breaking Load (kg) 2 0.4 477 3 0.5 918 4 0.7 1620 About control lines: Spectwelve is not for your hands, but rather is the 'easy spliceable' 12 braid Dyneema® to take the huge primary loads in your control systems. For your hands choose from; Polyloc™ for a reassuring, hard wearing, easy cleating control line; Polisprint™ for low friction adjustment; or EasySplice™ if you are looking for a continuous control line solution. AllSpec Pro™ is available if low stretch is required. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } FEATURES 100% Dyneema® SK78 12-strand construction Treated with specialised marine coating Stronger than steel