Add a strong, convenient attachment point to any line. Employs a basic Prusik, or constrictor knot, to provide a quick and secure loop. Use to grab a dock cleat, pulpit, handrail or car top rack. Also great for safely unloading a line or affixing to. They're very handy. Ultra high modulus fiber stands up to UV rays and resists abrasionHolds up to 2000 lbs (900 kg) safe working loadWill not damage braided or twisted line1/4" (6 mm) ultra high modulus fiber