GM CLIMBING Hardware Kit for 5:1 Mechanical Advantage Pulley/Hauling / Dragging System Block and Tackle With this kit, you could easily set up 5:1 or 4:1 hauling system, which equals that you get 3 or 4 other men to help you, whether you put your car out of a ditch, haul something up, tension a slack line system, or rescue someone, etc. They are compact to take very little space in your car boot, in your garage or in your equipment rack. They are lighter compared to those large machines like a winch or those with big and heavy hooks. They are of great strength. All the components are of Rock Climbing standard. You could make a rescue system with them to haul your partner out of a crevasse. They are multifunctional. 100 applications can be accomplished with these hardware.