This beast is impressive! I was shocked at the weight of this grinder and one can tell they did not cheap out on garbage parts. It is metal and glass. The only plastic is where the beans go into the hopper. When I used it I had to do a double take. Was it running??!?! Yup! I cannot get over how quiet this grinder is compared to my old burr grinder. I had someone downstairs who is a light sleeper and they did not even know I had it running. I just wish Technivorm made their grinders in the same colours as their coffee makers. I have a lovely red theme going in my kitchen and sadly had to break away but at least the silver blends in nicely. I know many will find the price off putting but do it! I watched until there was a sale and I do not regret it. I cannot go back. And there is even a grind setting to match the Mochamaster brewer.