[Premium Construction] Made from high-quality plastic and copper wire, our 3157 bulb sockets are waterproof, heat-resistant, and offer excellent conductivity. Designed for durability, they provide a long service life with resistance to breakage and damage. [Broad Compatibility] Compatible with a wide range of bulb models including 3157, 3057, 3155, 3357, 3457, 3757, 4057, 4114, 4157, and their 3156 series counterparts such as 3056, 3456, and 4156. Verify your bulb model for proper fit. [Versatile Applications] Suitable for three-tab 3157 socket installations, these pre-wired sockets work with turn signals, daytime running lights (DRLs), brake lights, and tail lights. Ideal for repairs, replacements, and DIY LED or incandescent bulb installations across various vehicle makes and models. [Easy Installation] Features plug-and-play wiring harness socket connectors for simplified installation. Remove the old socket, install the new one, and connect directly to the bulb. For certain bulb models including 3156, 3056, 3456, and 4156, only the red and black wires are required. Color: As shown in image Material: Plastic Package Contents: 4 x Car LED Bulb Socket Adapters Note: Slight color variations may occur due to lighting and screen settings. Measurements may vary by ±1–3 cm.