Tripod ETS-500 is the rescue tripod, compared with the rescue tripod SJ 500/2.2-A, the color is grey, but the plating is also to protect the pneumatic strut against any injure. Tripod is much lighter because the diameter is 76 mm and the length is from 2120 mm to 3200 mm, but the capacity is very strong, 500 kg can meet all the requirement. The winch is 30 meters and the mechanical principle is 12:1, so it is safe and precise. The tripod is suitable for the high places, cliff and confined spaces such as pit slots, shafts, drainage, cellars and sewage wells, sewer etc.