Features: Specification - 1 piece of lab sieves, 4/10/20/60 mesh test sieve, the standard lab sieve diameter: 20cm /7.87". Quality Material - This 80/200 mesh sieve has a solid texture made of premium 304 stainless steel; both frame and wire cloth are stainless steel, providing sturdy construction and excellent toughness for long-term use. Wide Application - Our lab mesh sieve is suitable for use with fruit, dehydrated vegetable powder, tea, grain, aluminum, zinc and other metal ash, screws, plastic, sand, soil, and more; this standard testing sieve can be used for laboratory, farm, and home filtration. Chemically & Physically Stable - Resistant to high and low temperatures and corrosion; constructed from durable 304 stainless steel, lightweight yet strong, with rigidity and a smooth surface. Ergonomic Design - The lab mesh sieve can be stacked for classification filtering; the sieve frame securely holds the wire cloth, making it a reliable choice for laboratory use. Package Includes: 1x Test Sieve Specifications: Material: Stainless Steel Weight: 330g Size: 20x20x5cm / 7.87x7.87x1.96inch Type: 4 Mesh / 10 Mesh / 20 Mesh / 60 Mesh Note: 1. Please allow 1-2cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the picture may not reflect the actual color of the item.