W.S. Tyler™ 4550 230 Mesh All Brass 8" Diameter Full Height Sieve. U.S. Standard, full height, brass frames, brass cloth. 8" diameter, 2" depth to wire cloth. ASTM E-11, AASHO T-27 and conforming to NBS Standards. Each Test Sieve is supplied with a Serial Number and a matching Test Sieve Certificate of Compliance.