63mm 4 part grinder Various Designs

63mm 4 part grinder Various Designs 4 Part Metal Grinder in Various designs. The 63mm 4-Part Grinder is the standard "full-size" choice for daily users, providing a larger grinding surface and more storage than smaller models. These grinders feature four distinct sections: a magnetic lid, a grinding chamber with sharp teeth, a collection chamber with a mesh screen, and a bottom kief catcher.