Product material: Our products use the best quality materials, have good aging resistance and good thermal conductivity, oil resistance and chemical resistance, increase wear resistance, increase the use of high strength and flexibility of the product, High quality no cracks or tears, so that it extends the service life of the product. The inner ring of our uses a serration design, which increases the high stability and eliminates the possibility of the belt turning over on the wheel. There is groove in the middle, can dissipate heat, suitable for high speed transmission, can smooth movement on the pulley, reduce vibration, the noise is low. Compatible for Lawn Mower for GT79244 - MIA12482 Series D105, E100, X105, X106, 100 Transmission Parts Number: MIA12025, GT79244, MIA12482, MIA12656, MIA13114, AUC10266 Material: plastic+metal colour: As shown Package Contents: 1 x MIA12025 Secondary Variator Belt Pulley Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.