Vintage Hamilton Beach Milkshake/Malt maker. Used. Model #30. When I bought this it was listed as refurbished. The gentleman said it had been brought to a shop where they went through it, cleaned it up and replaced the original roundhead cord to make it safe to use for everyday use. I use it occasionally to make my protein shakes. They come out really smooth! It has a factory toggle switch in the back area. I thought it was for a speed setting .Its not. Its actually a kill switch. But honestly, I never see a need to use it. I just put some milk in 1/3 of the silver cup. And add my scoop of protein powder, then raise the cup under, and the lip touches the metal clip and activates the blender to turn on I only hold it there for 3 seconds and it''s done!. Now I guess some people clip it in there so you don''t have to hold it. But you''ll see what''s best for you. Look closely at all photos for any flaws or imperfections. It will show signs of wear. Nicks, chips, etc. It''s over 50 years old.