Sparkfun Electronics 2.1mm Barrel Jack Adapter - Breadboard Compatible

This 2.1mm Barrel Jack Adapter - Breadboard Compatible is terminated with breadboard-friendly pins instead of wide solder terminals. It is compatible with DC wall supplies that have a 5.5mm jack, with a 2.1mm center pole diameter. 2.1mm barrel jack adapter; Breadboard compatible; Compatible with the DC wall supplies; Withstand Voltage: 500V AC