1、Wide Application: This bulb socket holder is suitable for T10 W5W 501 model bulbs, and can be used in a variety of automotive or bicycle lighting applications. 2、Soft Material: This socket bracket is made of soft rubber material, provides good durability and waterproof performance, protecting from vibration and humidity. 3、Improved Visibility: Used for lamp extension or replacement of old lamp holders, these socket holders enhance visibility and ensure proper lighting in your vehicle. 4、Durable and Long Lasting: Designed to be durable and withstand the rigors of automotive use, provide a stable and dependable base for your LED bulbs. 5、Simple Installation: This socket bracket has simple installation steps that simply plug in the bulb and require no additional tools or expertise.