Features:2Pcs TTC Yellow Core Encoder Decoder.Customized high life 48 million times.Relatively high precision, slightly for stronger scale.The encoder can be commonly used as long as the encoder of your mouse have the same height with it.(Distance from board surface to center hole)for:Mamba Tournament Edition,Mamba HyperFlux ,Mamba Elite,Viper Wired,Mamba Wireless,Basilisk V2,Basilisk Ultimate,ROG Gladius III, it can be used universally!Specifications:Core: YellowLife: 48 millionQuantity: 2PCSNote:Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:2Pcs x TTC Mouse Encoder