Features Panel Mounting: LED holder is used for mounting a 5mm LED diode on a panel, drill a 6mm diameter hole for mounting. Removable and Reusable: LED light bulb socket is easy to install and remove, can be reused for many times, possess good quality and durable. Waterproof Chrome Plated: Replace plastic LED sockets, chrome plating is more waterproof than plastic to maintain the integrity of the housing. Secure Panel Mounting: The plastic chrome plated led lamp holder id used for panel mount LED indicators, lock nut in base for more secure mounting, reliable and practical. Versatile And Multifunctional: The 3mm LED lamp holder is suitable for panel mount lighting, lamp, DIY project, science experiments, hobby. Specification: Item Type: LED Holder Material: Plastic Chrome Plated Suitable: For panel mount LED indicators Size: Approx. 3mm / 0.12in Package List: 100 x Lamp Holder 100 x Nut 100 x Plastic Core Note: Please pay attention to safety protection before use. Package List 100 x Lamp Holder 100 x Nut 100 x Plastic Core