The Extec Labpol® 12 Advanced Grinder/Polisher is available with a central pressure head (1.0), individual pressure head (2.0), or combination central and individual pressure head (3.0). The variable speed head operates between 10-150 RPM. Oscillating movement that ensures flatness is available on the 1.0 and 3.0 units. The oscillating movement is variable speed and has variable angular stroke. Programmable measured stock removal is also available as an option. All units are adaptable to the Extec® Electronic Dispensing Unit which operates with a peristaltic pump and features a reverse rinsing function. It consists of 4 bottles; 3 polishing suspensions, 1 for lubricant.