20Pcs 5.5mm x 2.1mm Female DC Power Jack 3Pin Panel Mount Connector Country of Manufacture: CHINA; Material: Plastic, Metal Net Weight: 47g; Package Content: 20Pcs x DC Power Jack Main Color: Black; Type: 5.5mm x 2.1mm DC Jack Pins: 3-Pin; Thread Dia: 11mm Total Size: 18 x 15mm/0.71" x 0.6"(L*Max.D)