Kruve Sifter is a professional coffee strainer that will allow you to get even more flavor out of it. The BASE set includes a black sifter, 5 grinders for ground coffee with a mesh size of 300, 500, 800, 1100 and 1400 micrometers. The set with these strainers will work both for espresso and for overflow methods. Additionally, the set includes a Kruve Brewler measuring cup.