Pre owned Curtis Commercial Coffee Grinder SHG-10 Hopper Used Working. This unit has been tested and has been cleaned and inspected. There are signs of normal wear and light scratches on either side of the acrylic panels. Stainless steel scratches on left side of unit next to model number data plate. There is a round cup stain on the top of the black lid. The grinder can manually be adjusted for fine and coarse settings.