Selling my Roskamp model number ROS432800, replacement model number is SP650-14, it's capable of 3500-4000 # per hour. It is a 2 roll miller, capable of being adjusted for different sized grains. It's in good shape works great just don't need it anymore. Was quoted from Roskamp for a new mill for 21k. Email is dmiller50@mail.csuchico.edu Selling for 10k OBO