Advantech Brass Test Sieve with Stainless Steel Wire Cloth Mesh, 8" Diameter, #40 Mesh, Full Height#40 mesh size Brass frame, stainless steel wire cloth Full height (2 inch depth to wire cloth) Serial number is etched on each sieve and contained in a bar coded label, tracing vital information Comes with Certificate of Compliance applicable to ASTM E 11 specifications The Advantech #40 Inch Brass Test Sieve is of impeccable quality. Multiple points of inspection are built into the manufacturing. The measurement system for the wire cloth is traceable