8 ft (2.4 m) AK105A aluminum tripod with 359101 50 ft (15 m) stainless steel 3-way self retracting lifeline, 3590498 mounting bracket and AK020A1 pulley. When it comes to confined space entry/rescue, it is essential that equipment operates perfectly and quickly. Lightweight, portable Protecta® aluminum tripods are ideal for confined space manhole entry and retrieval. They're easily transported from one location to another and can be set-up by one worker. Attach one or two mechanical devices such as a winch or 3-way self retracting lifeline and you're ready to go. Our tripods are loaded with features such as locking legs, simple detent pin style adjustment, quick-mount mechanical device bracket, safety chain to prevent movement and skid resistant tread plate soles on feet.