General description The 12Pcs replacement foil and cutter head set is designed for S500C, S500, and S300 electric shavers. Made from high-quality metal, these replacement heads ensure efficient and easy shaving. Regular replacement can enhance your shaving experience by up to 25%. Technical specifications Compatible Models: MJTXD01SKS, S300, S500, S500C Material: Metal Color: Silver Package Contents: 12 Replacement Shaving Heads Measurement allowed error: +/- 1-3 cm Installation Easy to install and remove. Clean the razor before installing the shaving foil. Usage It is recommended to replace the foil and cutter head every 9 to 12 months for optimal performance. For best results, clean the shaving head regularly.