A. Features 1. Durable. 2. Includes 2 TTC yellow core encoders/decoders. 3. Customized design with a service life of up to 48 million times. 4. High precision with a slightly stronger sense of scale. 5. If the height from the circuit board surface to the center hole of your mouse encoder is the same as this product, it can be used universally. 6. Suitable for the following mouse models: Mamba Tournament Edition, Mamba HyperFlux, Mamba Elite, Viper Wired, Mamba Wireless, Basilisk V2, Basilisk Ultimate, ROG Gladius III. B. Specification Parameters 1. Core color: Yellow. 2. Service life: 48 million times. 3. Quantity: 2 pieces. C. Precautions 1. The size is measured manually, and there may be an error of 0 - 2 cm, which is normal. 2. Due to differences between different displays, the pictures may not accurately reflect the actual color of the product. Thank you for your understanding. D. Package Contents 2 TTC mouse encoders.