Size: socket corresponding to the size of the plug 5.5 * 2.1mm or 5.5 * 2.5mm

Material: Copper-plated nickel (Note: The negative grade of the welding legs and screws are iron in order to increase the strength!)

Opening diameter: 11 mm.

Dimension Judgment Skills: When you do not know how big your plug can be used, you can use the vernier caliper card under the original old plug, or look at the size of the ruler close to the shop which plug the size of the plug.

Scope: DC AC power transformer, switching power supply, adapter and other power supply adaptive