Features:

28 in 1 set Multi-functional DC Plugs for AC Power Adapter Notebook Laptop Universal

Used for external power source and on-board transformer

5.5x2.1mm Female Jack to 28 multi-type Male Plugs.

Specifications:

Male Plug Diameter outside/inside(or pin):

7.9mmx1.0mm

7.4mmx1.0mm round

7.4mmx1.0mm octahedron

6.0mmx3.0mm

6.0mmx1.0mm

5.5mmx2.5mm

5.5mmx2.5mm

5.5mmx2.5mm

5.5mmx2.1mm

5.5mmx2.1mm

5.5mmx2.1mm

5.5mmx1.7mm

5.0mmx2.5mm

5.0mmx2.1mm

5.0mmx1.0mm

5.0mmx1.0mm

4.8mmx1.7mm

4.8mmx1.7mm

4.0mmx1.7mm

3.5mmx1.35mm

3.0mmx1.0mm

2.5mmx0.7mmx10mm

2.5mmx0.7mmx8mm

4pin female

3pin female

3.5mm mono plug

2.5mm mono plug