Kannastor 2.5" 4-piece Jar Body Herb GrinderKannastor Multi Chamber grinders break down to a slimmer, more portable 3 piece configuration by simply removing the sifting chamber and are the most versatile and advanced herb grinder on the market Our patent pending design allows for easily changing your sifting element to both replace screens that are worn out and to better suit your taste with the option of 2 mesh sizes All Multi Chamber Kannastor grinders include a 60 mesh stainless steel screen