The chop rite meat grinder #12 is a screw down manual meat chopper used to chop vegetables, meats, chicken bones and more. Made of cast iron. Chorp-rite grinders are coated with a baked on, non-stick Xylan coating. This coating provides durability and ease of use. No lead or harmful material in coating, FDA approved. chop rite grinders are the same grinders as enterprise grinders. This grinder comes with the following; cylinder #12, feed screw, ring, crank, #12 chopper knife, and 3/16" plate. Throat opening is 3 1/2" x 4 1/4". Plate size is 2 3/4". Made in the USA. Call for additional accessories 610-838-1133.