SUNKEE 10x DC Power Jack Socket DC-022 2.1 x 5.5 mm with Screw Nut DIY 180-Degree Gender: Female Suitable Plug Size: 2.1x5.5mm Screw Diameter: 12mm Temperature: -40~55 deg C Rated Load: DC30V/0.5A Contact Resistance: &lt;=0.03 ohm Insulation Resistance: &gt;=100 Mohm Withstand Voltage: AC 500V50Hz/min Actuating Force: 3-20N Life: 5000 times