20 PCS 5.5 x 2.1mm DC Female to 5.5 x 2.5mm DC Male Power Plug Tip

1. Interface: 5.5x2.5mm to 5.5x2.1mm
2. Plug and play, easy to use
3. Small size, easy to carry
4. Product material: PC + metal
5. Product size: 1.1x4.1mm