Product overview Two green encoder cores designed as replacement or upgrade wheel components. These parts provide accurate position and speed sensing for scroll wheel assemblies, restoring smooth scrolling and precise control for compatible mouse models. Key benefits Precise measurement: Improves position and speed detection for more accurate wheel input. Smooth operation: Reduces jitter and delivers consistent scrolling feel. Easy replacement: Twopiece set simplifies or upgrade of wheel encoder modules. Compatibility options: Choose left card or right card versions to match specific mouse models. Specifications Cores: Green Quantity: 2 pieces per package Optional type: Left card or Right card Left card compatibility: Basilisk v2, Gladius III Right card compatibility: Naga 2014 Package includes: 2 pieces encoder cores Typical use scenarios Gaming: Restore precise scroll wheel response for fast reaction in shooter and racing titles. Productivity: Improve scrolling accuracy in design, editing, or spreadsheet work that relies on fine wheel control. Maintenance and : worn or damaged encoder cores to extend the service life of compatible mice. Additional notes Manual measurement may introduce a 0 to 2 cm error. Product color may vary slightly from images depending on monitor differences. This component is intended for use with the listed compatible mouse models. Select the left card or right card version to match your device.