This is a bulk pack of 100 right-angle DC power connectors. They're 5.5mm outer diameter, 2.1mm inner pin, male plugs. The ends are raw (no cable attached), so you can solder them to your own wires. Perfect for repairing or making custom power cables for electronics, CCTV cameras, LED strips, etc. Made in China, unbranded generic. New in packaging. If you go through a lot of DC adapters or just want spares, this 100-pack has you covered.