Originally designed to meet the exacting requirements of the professional photographer, the Professional 'M' Series has, over the past 40 years, become the de facto standard for many applications where the ultimate in quality and reliability are paramount. Many hundreds of thousands of machines are tested 'day in, day out' in dark rooms, photo labs, design houses, schools and colleges, to name but a few. The precision-engineered, virtually silent glide-cutting action coupled with extreme accuracy, outstanding robustness and reliability are often cited as the main reasons why the Professional 'M' Series is the machine by which all others are judged.