The single wheel Saphir 550 Specimen Preparation System is a semi-automatic, 12" format machine that handles a variety of sample preparation tasks. It features single and multiple sample modes of operation and variable speeds. Repeatability is guaranteed by the programmable, touch screen control panel. Electronically regulated pneumatic sample loading ensures the correct sample grinding and polishing force. A powerful, belt-driven wheel and sample mover head can handle large sample sizes or a high volume application. Through excellent engineering and design, the Saphir 550 is easy to maintain and provides all the features that other machines consider options.