This is a replacement hopper only!
This does not come with a mill or the nuts and bolts required to assemble it. The nuts and bolts required for assembly is sold with the mill and is not included with the hopper.
If these can't be salvaged from the hopper you are replacing, or if you didn't get a hopper with your mill originally, you can pick them up from any hardware store. Here is what you need:
12 x M2.3 - 0.40x8mm (bolts)
12 x M2.3 - 0.40 (nuts)
Assembly is required