Durablility: The hose can be bent freely without rebound, no sound, and long life ,It is flexible and durable | Material: It is made from high-quality solid steel wire and finished electrophoretic black. | Specification: 0.6 inch out diameter and 13" in length.Threaded male teeth is 5 / 8-27 UNS-2A the female thread is the inner teeth of 5 / 8-27 UNS -2B which has been tested through gauge. | Use:It is easy to be used,you only screw the female to connector of the base,and threaded male to the speaker. | Feature:The hose can be repeatedly bent,it is resistant to high temperature, tensile performance and strong lateral pressure resistance