Description: DC 5.5 2.1mm Female plug DC Power Plug Connector Adapter for DELL Laptop DC Power adapter One end: 7.4 (out side Diameter) x5.0 mm (inside Diameter) male with Pin One end: 5.5x2.1 mm female Material: Plastic Color: Black Size: Approx.46x15x15mm/1.8x0.59x0.59inches Package Includes: 5 Pieces DC Power Adapter