2.1 x 5.5mm DC Power Jack Socket Panel Mount(Female) comes with Metal Nut to mount the jack in your Application. It has Plastic Cover which provides a tight connection with a male pin, Centre pin can be 2.1mm or 2.5mm. addition, the male plug is 2.5mm/2.1mm x 5.5mm also provides good environmental protections. It is widely used in small-scale as well as prototyping projects where 12 to 30 Volt power supply needed such as household appliances, electric force, telecommunications, machine tool, vessel, textile, printing, Mining machine, Music Instrument, etc. Specifications: Supply voltage up to 30V Type of connector Female Supports DC Power Jack 2.1 x 5.5mm Diameter 14mm Total Length 18mm Package Includes: 1 x DC Power Jack Socket Female – Panel Mount. *Product Images are shown for illustrative purposes only and may differ from actual product.