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 guarantees long-term playback and perfectly interprets human voices and music.2. Compatibility: The ruby ceramic stylus is compatible with most phonographs currently on the market. Such as: Crosley, Ion, Numark, Bush, Sanyo, Fisher, Sony, Pyle, Philips, Gemini etc. 3. High Sound Quality: Offer thousands of turns to extend playback time. Durable, longer playing time. Powerful tracking capability, dual channel (stereo), improved cone pin pickups for better bass response and more realism.4. Convenient Installation: The record player needle is easy to install, the vinyl record needle is simple and sturdy, easy to install without tools. You can easily install the pickup needle in your hand.5. Packaging: The protective mold protects the turntable needle from damage. There are 4 stylus pens in total, the number is enough to meet your needs; Compare and measure the needle you are currently using with the picture to make sure it fits your gramophone.