Material: Aluminum + ABS Size: 4.0cm * 4.0cm * 2.0cm Color: Red Quantity: 4 pieces Package Contents: 4 Pcs * Phonograph Pen 1. Material: This dial needle is made of durable ABS plastic and aluminum arm. The tapered diamond-shaped ceramic needle design ensures long-term playback and accurately reproduces vocals and music. 2. Compatibility: The ruby ceramic stylus is compatible with most phonographs on the market, including models from Crosley, Ion, Numark, Bush, Sanyo, Fisher, , Pyle, , and Gemini. 3. Sound Quality: Designed for extended playback life. Durable construction provides longer playing time. Features strong tracking ability, dual channel stereo output, and enhanced cone pin pickups for improved bass response and o realism. 4. Installation: The turntable needle is easy to install. The vinyl record needle has a simple, sturdy design that requires no tools. The pickup needle can be installed quickly and securely by hand. 5. Packaging: Each stylus is protected by a molded case to prevent damage. The package includes 4 stylus pens, providing sufficient quantity for regular use. Compare the needle dimensions with the provided image to ensure compatibility with your phonograph.