This is a pair of car bulb socket adapters made of ABS and copper wire. They are designed for use with 9005, 9006, 9012, 9140, 9145, 9150, 9155, HB3, and HB4 bulbs. The adapters have a total length of 14cm and a cable length of 10cm. They are easy to install with a plug and play design and are suitable for universal use.