Braun 4000 Series Flex Control and Twin Control replacement foil and cutterblock set restores your shaver to peak performance. This genuine Braun part is designed to provide a close and comfortable shave by replacing worn components every 18 months as recommended. The set includes the outer foil and the internal cutter block, ensuring a clean cut and reduced skin irritation. Compatible with various Braun models, this factory-sealed pack is essential for maintaining the longevity and efficiency of your electric razor.