Optimal performance: for optimal shaving, we recommend replacing the Series 9 Pro shaving head every 18 months The Series 9 Pro shaving head captures more hair with the first few shots for a particularly smooth shave For a long-lasting shave: the Pro shaving head, equipped with our unique ProBlade technology, shaves hair below 0.05mm, for a close, smooth shave that lasts Easy to change: change the shaving head by simply clicking on it Quality work: 100 percent made in Germany and compatible with Braun Series 9 Pro and Series 9 shavers