Description: 5.5x2.1mm DC Power Plug Jack Panel mounting Works with the male plug with inner diameter: 2.1mm, outer diameter: 5.5mm Supplied with hexagonal fixing nut Contact rating: 1A 16V DC Connector size: 5.5mm x 2.1mm Size: Approx.14mm x 14mm x 20mm/0.55 x 0.55 x 0.79inches Package Includes: 10 Pieces DC Power Supply Female Panel Mount Connector