When mixing flour connected to buckwheat flour, it is easy to deviate by simply mixing it with your hands. As the noodle dough becomes easy to crack, it is normal to use a sieve. This is a φ9.4 inch (240 mm) type sieve that is often the specified size for competitions. For mixing flour connected to buckwheat flour is recommended for 40 or 50 seeds, and the 40 seems to be recommended even for all noodles. We also recommend 50 pieces for those who want to mix more evenly. This sieve is painstakingly manufactured by skilled Japanese craftsmen, and features no sagging net tightening. Brass may cause rust to the touch of the product, so the mesh is made of highly durable stainless steel that is resistant to rust. The wooden frame is made of Japanese cypress wood that has a beautiful grain of wood. Durable enough to be a tool The "eyes" which is the standard for sieving standards, represents the number of lines between 1 inch (30.3 mm). The "mesh" means the number of measurements taken by 1 inch (25.4mm).