The bushing increases the longevity of your electrical cords by holding wires securely in place. This also prevents them from becoming tripping hazardous. It can withstand bending, knotting and twisting without letting the strain travel all the way to the connector where a break usually occurs.

As the unit is made from robust nylon it's resistant to heat as well as being exceptionally strong. A component such as this one is useful in sound studios where you need a lot of cabling.