Choose the Right Sieves to Hand Test Your Coffee Grounds Single Hand Sieve, Basic Set, or Full Set available. BRASS RIM WITH SS MESH to hand test your coffee grounds. Full set includes sizes 40, 45, and 50 for espresso. 3" round HANDHELD for field testing and grinder regulation. Brass rim and stainless steel mesh with lid and bottom pan. Use with a pocket scale or visual field evaluations! Other sizes can be ordered. Finer grinds are the higher numbers Purchase Options: Single Unit(s) can be ordered individually by specific numbers Options include: #12, #16, #20, #25, #30, #35, #40, #45, #50 Basic 3" Set includes: #16, #20, #25, #30, #35, #40, #45 with pan and lid Full 3" Set includes #12, #16, #20, #25, #30, #35, #40, #45, #50 with pan and lid Lid and/or Pan may be purchased separately