You are purchasing x1 Adjustable Rope polypropylene for swing seats. (buy two for a pair)
The KBT adjustment ropes are a swing accessory.
Suitable to hang from a Min of 1.8m to Max height of 2.4m
They can also be used to extend the rope length of existing swinging accessories,
in situations where the swing accessory does not fit the beam height of the swing construction.