Kannastor SKCL-M4-22 Herb Grinder, 2.2", Silver Kannastor Multi Chamber grinders break down to a slimmer, more portable 3 piece configuration by simply removing the sifting chamber, the most versatile and advanced herb grinder on the market Experiment and see what works best for you! All Multi-Chamber grinders include a 60 mesh stainless steel screen element with a 30 day Warranty on all screens The Kannastor 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 Kannastor's unique, portable, compact, high quality, multi purpose kitchen tools and parts are made with choice, premium, heavy duty materials Herb grinder, spice mill and replacement parts and accessories are designed with deluxe storage, easy cleaning, space saving, pocket size container, fast, smell proof, fine grinding features in mind