Product Overview: The Kado DC Adapter set includes 8 interchangeable connectors, converting a 5.5x2.1mm plug to various male sizes for versatile device compatibility. Connector Sizes: Includes male connectors in 6.3x4.0mm, 6.2x3.0mm, 5.5x2.5mm, 5.5x2.1mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, and 3.5x1.35mm sizes to fit a wide variety of devices.