Zymoplas Rock Climbing Arborist Fall Arrester Pulley Device Sturdy and Dependable Safety Rope Grab, Black

Suitable for 8mm-13mm Rope Circular design of hanging point, not easy to slide when hanging, more uniform force to use more smoothly Made of 7075 aerospace aluminum material which have high tensile force, it is stable and safer Quality-manufactured pulley for mountain rescuing, mountaineering, caving, exploring, tower work, ski patrol or whatever requires block and tackle system The design of blocking teeth, the function is to the rope, and play the effect of grabbing the rope to prevent falling when the human body is tilted without weight