Mühle of Stützengrün, Germany was founded in 1945 in the former DDR Mühle first found renown as a maker of high quality badger-hair brushes but in more recent years have expanded into the manufacture of a wider range of shaving accessories with the same commitment to quality of material and construction. 2 types available, closed or open comb. A closed comb is suited to shorter, regularly cut, or slower growing beards, whilst the open comb is more suited to longer, thicker, and faster growing bristles. Each measures 95mm in length with a head about 43mm wide. Packets of 5 double edged Derby Extra blades are also available.