Big Game Treestands Magnum Lift System includes Gambrel Rope Weight-Reducing Pulley System Black MLS01-V. Tested to 500 lbs. 4:1 weight reduction. Specifications for Big Game Treestands Magnum Lift System: Manufacturer: Big Game Treestands Color: Black Length: 18 Height: 2.5 in Width: 9.5 in Package Type: Clam Pack/ Plastic Features of Big Game Treestands Magnum Lift System: Weight-reducing pulley system provides single person lift ability with 4:1 weight reduction Support by the hind legs to enhance draining and cooling Twist and tangle-free rot-resistant polypropylene rope Automatic self-locking device Compact and lightweight for easy backpacking and storage Package Contents: Big Game Treestands Magnum Lift System Big Game Treestands MLS01-V - Magnum Lift System includes Gambrel Rope Weight-Reducing Pulley System Black