RATIO: 4:1 Weight Reduction. PULLEY SYSTEM: Weight-reducing pulley system provides single person lift ability. SUPPORTS: Support by the hind legs to enhance draining and cooling. ROPE: Twist and tangle-free rot-resistant polypropylene. LOCKING: Automatic self-locking device. STORAGE: Compact and lightweight for easy backpacking and storage. WEIGHT RATING: 500 Lbs.