Maximum Precision, Amazingly Simple. The Braun Beard Trimmer gives you exact length & precise contours – the two fundamentals of any ideal look. Whether you want to achieve designer stubble or trim your full beard, two detachable trimming combs provide the flexibility you need. The precision comb (1-10 mm) with 0.5 mm steps provides you with the precision to achieve your desired look. The long beard comb (10-20 mm) gives you more range to maintain a longer beard style. Ultra Sharp Blades for Precision Cutting. The blades of the Braun Beard Trimmer are engineered to last, providing the high-performance precision you need to achieve your style every day. The ultra-sharp stainless steel trimming elements cut through long or thick hair without any pulling or tugging.