Product material: Our products are made from high-quality materials with good aging resistance, thermal conductivity, oil resistance, and chemical resistance. Enhanced wear resistance provides increased strength and flexibility, ensuring durability without cracks or tears, extending the product's service life. The inner ring features a serration design for improved stability and to prevent belt turnover on the wheel. A center groove allows heat dissipation, making it suitable for high-speed transmission. Ensures smooth operation on the pulley, reduces vibration, and operates with low noise. Compatible with Lawn Mower models GT79244 - MIA12482 Series D105, E100, X105, X106, 100 Transmission Part Numbers: MIA12025, GT79244, MIA12482, MIA12656, MIA13114, AUC10266 Material: Plastic + Metal Color: As shown Package Contents: 1 x MIA12025 Secondary Variator Belt Pulley Kit Note: Other items not included. Color may vary slightly due to lighting and display differences. Measurement tolerance: +/- 1-3 cm.