Interlocking sockets for easy installation. 2V/24V 30-80Amp 5-Pin Automotive Relay Socket. Relays and sockets are used in many automotive electronic applications to turn on/off almost any device. are also used when a device draws a lot of amperage, such as car alarms, remote starts, HID headlights, power doors, strobe lights, fog lights, stereos, fans, air horns and much more. Specification: Size: about 36 x 36 x 31 mm Terminal size: about 6.3 mm Color: black Material: PA66 plastic Package Contents: 2 x Relay Base Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.