Beal Back Up Line 5mm Rope 60m Green. It is very light compact ultra static line. Because the Back Up Line uses aramid fibers and is intended to be ultra-static it will not absorb energy. Therefore the Back Up Line must not be used for tying-in progression or any situation where dynamic loading may take place e.g. climbing. Specifications for Beal Back Up Line 5mm Rope: Manufacturer: Beal Rope Diameter: 5 mm Color: Green Features of Beal Back Up Line 5mm Rope Aramid core Rough nylon sheath Mid-rope marking Ultra-static Weight: 21 g/m Strength: 1200 Kg Package Contents: Beal Back Up Line 5mm Rope Beal BC05B.60: Back Up Line 5mm Rope 60m Green