DC plug polarity conversion cable for AC adapter HKN-J0 1 piece

This cable converts the polarity of the 2.1mm diameter DC plug of an AC adapter from center positive to center negative, or from center negative to center positive. Uses: Prototypes, experiments Length: 150mm+-10mm (excluding connector) *Cable length may vary slightly. Rating: Unknown *The color of the connector tip may differ from the image. *Cable length may vary slightly. *Please note that the appearance and specifications may change without notice.