The larger the mesh count, the smaller the mesh hole size. Mesh Count: 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 24, 26, 28, 30, 32, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 140, 150, 160, 180, 190, 200, 220, 240, 250, 280, 300, 320, 325, 340, 360, 400, 500, 600, 800, 900, 1000, 1800, 2000, 2300, 2800, various mesh count all available. (Chrome plated metal is cheaper, but just can fit daily household use, if you use it Science Laboratory Test, it is recommend to choose 304 stainless steel. Material: Chrome Plated Metal Outer Frame + 304 Stainless Steel Mesh Screen. 40 Mesh Sieve Laboratory Lab Test Sieve Diameter 25cm Stainless Metal Wire Mesh Filter Strainer Various Mesh Count Mesh Count 40 Filter Test You can choose it by Size Laboratory Lab Test Sieve Diameter 25cm Stainless Metal Wire Mesh Filter Strainer Various Mesh Count (mesh Count 2) · mesh count 2. $31.28$31.28. In stock · mesh... ) Size: Diameter 25cm, Height 6cm. (Chrome plated metal outer frame is cheaper, but just can fit daily household use, if you use it Science Laboratory Test, it is recommend to choose 304 stainless steel outer frame) Difference between Chrome Plated Metal and 304 Stainless Steel: The color of the chrome plated metal is brighter than 304 stainless steel, The 304 stainless steel is more durable than chrome plated metal. Buy Kitchen Factory Stainless Steel Aata Chalnisieve & Strainer For 930 For example: if mesh count is 2, then the hole size will be 1/2inch, approximately equal to 12.5mm. Aazon.co : osear Boat Trailer Roller Bracket Assebly 10 Mesh Count is the quantity of the hole in 1 inch. (Diameter 5-60cm all in stock) Mesh Count: 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 24, 26, 28, 30, 32, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 110, 120, 130, 140, 150, 160, 180, 190, 200, 220, 240, 250, 280, 300, 320, 325, 340, 360, 400, 500, 600, 800, 900, 1000, 1800, 2000, 2300, 2800, various mesh count all available.