Convenient Universal Fit: Measuring 2.6 inches with a 0.7-inch extension, these lamp parts are designed to fit most common lamp fixtures. This universal compatibility makes them an ideal choice for a wide range of lighting applications, ensuring easy integration. Effortless Installation Process: Designed for user convenience, these lamp switch replacements feature a corrugated, non-slip design for improved grip. Installation is straightforward without the need for additional tools. Safety tip: the power is turned off before installation. Complete Replacement Kit: Each package comes with 4 brass lamp turn knobs and 4 extensions, providing you with all the necessary components for a comprehensive replacement. This set ensures you have everything needed for a hassle-free installation. Premium Material Construction: Crafted from high-quality, these lamp turn knobs are not only sturdy and but also waterproof, sunproof, and rust-proof. Their robust construction ensures and reliability in various environmental conditions. Functional and Stylish Design: These lamp socket replacements are not only functional but also add of vintage style to your lighting. They are perfect for those looking to easily control table lamps and are an excellent choice for replacing old or broken socket keys., Manufacturer: Akfldms