WAHL 9639-816 Haircut & Beard: Precision-cut, self-sharpening cutting set | For hair and beard | Battery operation (40 minutes) or mains operation | Removable cutting set for easy cleaning underwater | 10 attachment combs: 3, 6, 10, 13, 16, 19, 22 and 25 mm as well as for stop and BArt | Cutting length without comb: 0.7 mm | Ergonomic shape and stylish design | Set of 22 pieces | The history of Wahl:Since the invention of the world's first electromagnetic hair trimmer by Leo J. Wahl in 1919, Wahl Clipper Corporation has become the world's largest producer of professional hair clippers. Today, the Wahl Group has over 3,300 employees and 22 companies operating in 165 countries around the world. Their products are the first Wahl of hairdressers and barbers around the world. Wahl hair clippers and beard trimmers are an essential part of any professional styling equipment. End users benefit from the quality, innovation and technical expertise offered by Wahl Clipper Corporation and its sister companies due to their professional origin.