[EASY CLEANING]The replacement foil head is easy to install and remove. Clean the before installing the shaver foil. [SERVICE LIFE]The use time of the Foil & Cutter Replacement Head depends on your daily frequency of use. It is generally recommended that you replace it every 9-12 months to your best experience. High-quality materials, continuous, efficient and easy to use. Changing the shaving head can increase the shaving effect by 25%. For best performance, clean regularly. Replace the head to restore your shaver to 100% performance Compatible models: Suitable for MJTXD01SKS S300 S500 S500C Material: Metal colour: black+Silver Package Contents: 3 x Replace Shaver Head 1 x cleaning brush 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.