Load Capacity: 1200 lb winch safe load 300 kg/661 lbs, 1800 lb winch safe load 500 kg/1102 lbs, 2600 lb winch safe load 800 kg/1763 lbs. Provide passage or fall protection in confined spaces such as wells, sewers, tunnels and other places. Aluminum Rescue Tripod: Made of premium iron and high-quality aluminum alloy, the top plate is processed by die-casting process, the tripod rescue kit is sturdy and durable. The lightweight but durable structure is easy to use and has a long service life. The self-locking system and fall prevention device are raised/lowered by manual shaking and automatically locked when the shaking stops. If the worker slips or falls, the self-locking device will be fixed in place like a safety belt. The fall prevention device is equipped with a durable hook to ensure safety. The continuous efficiency of the human winch: 8:1. Adjustable Legs Up to 7 Feet: The support pole of this tripod winch kit is telescopically adjustable, and the adjustable height range is: 1.41~2.14m/4.6~7 feet. The foldable hem adopts a thickened design for durability. It maintains stability through a circular protective chain. The aluminum alloy feet can also be adjusted to adapt to different slopes and uneven ground. MULTIPLE USES: This tripod storage is an ideal tool for traditional confined spaces and can be used in utility manholes, silos, flues, underground utility vaults, storage containers, pits, cellars, pipes and sewers.