Manufacturer part #: D2 RacingMaterial: 12 Strand Dyneema ® SK78 core | 24 plait polyester cover. Diameter Average Breaking Load Weight Metric lb kg kg / 100 m 8 mm 7687 lb 3487 kg 3.90 kg 10 mm 11816 lb 5360 kg 5.92 kg 12 mm 15300 lb 6940 kg 9.29 kg Manufacturer part #: D2 Racing Dyneema core is light weight-reduces onboard weight and makes the rope easier to handle Dyneema core is high strength-upgrade polyester halyards by choosing a smaller diameter, achieve further weight savings and handling improvements Marlow Pre-stretched core is standard - results in very low stretch and far fewer rig adjustments when sailing Polyester jacket provides superior performance in clutches and jammers and gives excellent abrasion resistance and greater longevity Easily spliced and tapered for a safer rig and further weight saving Aplications Halyards, Sheets, Guys, Control lines, Out/downhauls, Reefing lines, Runner-tails, Vang, Furlers