Features 1、Interlocking Design: The male and female slot interlock design at the edge of each socket makes it easy to connect all relays together. 2、5 Pieces Car Relay: There are 5pcs 12V 40A automotive relay in the set, and the large quantity will meet your needs for replacement. 3、Perfect Matching: Suits perfectly for split charging or any vehicle requiring high power relay, ensuring a wide range of application. 4、Good ABS and Copper: Consisting of premium ABS and copper material, not likely to malfunction, and very durable for long term use. 5、Easy to Install: Comes with a light weight and a compact size as well, the car relay allows for convenient installation in minutes. Specification Item Type: Automotive Relay Product Model: JD1914-12VDC-1ZS40A Material: ABS, copper. Contact Type: Conversion Type Pins: 5 Pin Current: 40A Package List 5 x Automotive Relay