This micro sieve set consists of a stack of four interchangeable screen holding sections, a catch pan, and a friction fit cover, all molded of Polypropylene. The sections unscrew easily for changing mesh inserts or cleaning thoroughly, and screw together snugly to lock the mesh in place. Included are phosphor-bronze mesh inserts, one each of eight sizes: 25, 35, 45, 60, 80, 120, 170 and 230 linear openings per inch mesh. The holding sections are 55.9mm (2.2") I.D. x 41mm (1.6") high and hold about 60cc. The complete stack with basin and cover is 72.1mm (2.84") maximum O.D. x 216mm (8 1/2") high.