Used Steer Engineering pharmaceutical grade stainless steel co-rotating twin screw extruder. Screw diameter is 12mm. Diameter ratio (DO/DI) is 1.45. Flight Depth is 1.9. Maximum screw speed is 900 RPM. Maximum design temperature of 300 degrees Celsius, recommended to only run up to 250C for best results. 2 HP drive, 3/60/480 volt. Serial #EA00427. Built in 2014.