... 4cm 3 outer dia 28-42cm 4 best quality Wooden frame sifters for wheatMaterial, 304, 304l 302 SS ... wrie , wooden frameRing diameter: 28- 30-32-34-36-38-40 ... , wheat , food, soft sand, or for gardens .Our wooden sifters be sold in European supermarkt, and in korea, etc ... quality , best price, welcopme to visit our factory. wooden frame sifters for wheat food ,grain