Leviton Turn-Knob Medium Base Brass Single-Circuit Lamp Socket is designed with a durable brass construction and features a single-circuit setup for reliable lighting control. The interior is crafted from phenolic material, ensuring safety and longevity. This socket includes a removable turn knob that allows you to easily control the light. Installation is simplified with a 1/8-inch tapped bushing equipped with a set screw. It supports a maximum rating of 250 watts and 250 volts, making it versatile for a wide range of lighting applications. by UL (Underwriter's Laboratories), this lamp socket meets high safety and quality standards, providing peace of mind for your lighting needs. Model Number: R50-10083-16