You will find different types of mills based on the amount of compartments as well as its design.

Listed below are the typical mills that you will see on the market.
2 item grinders

mill 2 part - Purchasing weed maker guide

Or else known as one compartment plant grinders, this type of herb machine has 1 compartment that the herb is actually both gathered and grounded.

The problem which you’ll usually encounter having a 2 element grinder may be the inconsistency associated with size.

An additional common problem is the fact that retrieving your own herb can be very difficult because the teeth are in the manner.

You also can not get to individual the kief if you are going to choose the 2 product grinders.
three piece mills

grinder a few piece -- Buying marijuana grinder manual

The three-piece grinder or perhaps a two-piece area grinder has got the same milling compartment since the typical two piece mills.

There are gaps that permit small natural herbs to drop into the 2nd compartment. Because of this style, you have constant herbs that you could collect.
four piece mills

grinder several piece : Buying bud grinder guidebook

Another option will be the four-piece mills.

This type of mill has 3 compartments. Functions the same as the 3-piece grinder within collecting herbal treatments.

The third inner compartment is then designed for pollen or even kief.

Additionally, it goes with the screen to permit a specific scale the remains to pass through the actual kief gathering chamber.