[Premium Construction]Made from high-quality plastic and copper wire, our 3157 bulb sockets are waterproof, high-temperature , and boast superior conductivity. Engineered for durability, they a long service life without susceptibility to breakage or damage. [Broad Compatibility]Designed to fit a wide range of bulb models including 3157, 3057, 3155, 3357, 3457, 3757, 4057, 4114, 4157, and their 3156 series like 3056, 3456, and 4156. Check your bulb model for perfect compatibility to enhance your car's lighting system efficiently. [Versatile Applications]Perfect for three-tab 3157 socket installations, our pre-wired sockets accommodate turn signals, DRLs, brake lights, and tail lights. They are perfect for repairs, replacements, and DIY LED or incandescent bulb installations in various vehicle makes and models. [Easy Installation]Our plug-and-play wiring harness socket connectors simplify installation. Remove the old one, install the socket, and connect it directly to the bulb. Note: For some bulb models like 3156, 3056, 3456, 4156, you'll only need to use the red and black wires. Note: the actual slightly color difference or difference, does not affect the use of Colour:Photo Color Material:Plastic Package Contents: 4x Car LED Bulbs Socket Adapters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.