Made by Bosch.  The Nutrimill Food Grinder will also fit the Bosch & Nutrimill Mixers.  Main difference is replacement parts are not availble for the Nutrimill Grinder.   This Bosch model has replacement parts and different sizes of disc's availble too.

It allows you to grind and mince fresh meats, stuffings, and virtually any food into the desired consistency. Customize meat blends for your burgers, hash, meatballs, and more. Even use left-over roasts, etc. to make your favorite ground meat blend. A great way to know what is in your ground meat. This model is designed for the Universal PLUS but will fit the old Universal when purchased together with a shorter support leg, (item #607750).