Vktech Universal 28 DC Power 5.5x2.1mm Jack to 28 Plug Power Adapter for Notebook
100% Brand new and high qualityUsed for external power source and on-board transformer1 set Multi-function DC Plugs for AC Power Adapter Notebook Laptop Universal5.5x2.1mm Jack to 28 PlugsPlug male diameter outside/inside(or pin)Plug Specification:1: 7.9mmx1.0mm2: 7.4mmx1.0mm round3: 7.4mmx1.0mm octahedron4: 6.0mmx3.0mm5: 6.0mmx1.0mm6: 5.5mmx2.5mm7: 5.5mmx2.5mm8: 5.5mmx2.5mm9: 5.5mmx2.1mm10: 5.5mmx2.1mm11: 5.5mmx2.1mm12: 5.5mmx1.7mm13: 5.0mmx2.5mm14: 5.0mmx2.1mm15: 5.0mmx1.0mm16: 5.0mmx1.0mm17: 4.8mmx1.7mm18: 4.8mmx1.7mm19: 4.0mmx1.7mm20: 3.5mmx1.35mm21: 3.0mmx1.0mm22: 2.5mmx0.7mmx10mm23: 2.5mmx0.7mmx8mm24：for apple25: 4pin female26: 3pin female27: 3.5mm mono plug28: 2.5mm mono plugincludes 	28 x Adapters