【Self-locking winch and anti-fall protector】: The winch with steel housing is equipped with a roll of steel cable (diameter: 5mm, length: 20m/65.6ft). Upper and lower self-locking devices and anti-fall protector (providing another 20m length), safety belt, and safety rope ensure safety. 【Aluminum Alloy Structure】: The top plate is processed by die-casting technology. The self-locking device and adjustable tripod are made of high-quality aluminum alloy, making the tripod rescue kit sturdy and durable. The yellow and black reflective stickers on the legs can improve visibility. 【Powerful Lifting Capacity】: 1200LBS winch safe load 300KG/660LBS, 1800LBS winch safe load 400KG/880LBS, 2600LBS winch safe load 500KG/1100LBS. This confined space entry kit has a large load capacity and can provide passage or fall protection in confined spaces such as wells, sewers, tunnels, etc. 【Adjustable legs and non-slip feet】: The legs of this rescue tripod can be adjusted in length within the range of 1.34-2.14m/4.4-7ft, and are kept stable by a ring protection chain. The aluminum alloy legs can also be adjusted to adapt to different slopes and uneven ground. 【Easy to carry】: This lifting rescue equipment is lightweight, foldable and easy to disassemble, making the storage of the tripod convenient for transportation. It is an ideal tool for traditional confined spaces, providing safe passage and emergency rescue, and is very suitable for use in wells, sewers, underground pipes and tunnels.