Features: The triangular glass spreader rods ensures precise and even coating, solving the slippage issue of traditional circular designs, while their chemical resistant construction withstands frequent lab use. Made from premium glass with smoothly edges and enhanced durability, these spreader tools resist deformation and chemical corrosions compared to plastic alternatives. Ideal for researcher, educators, and students in medical training, biology, and chemistry fields requiring sterile, reliability equipment for specimens preparation. Perfect for controlled experiments in laboratories, classroom demonstrations, or fieldwork requiring hygienic microbial culture plating under strict sanitation protocols. The 4piece Glass Cell Spreader features compact storage efficiency for mobile professional conducting on site experiments or academic presentations across multiple scientific disciplines. Specifications: Component: Glass Size:Approx.15.5x3.5cm/6.1x1.38inch Features: high temperature resistance, corrosions resistance,easy to clean; Use scenario: Laboratory culture,Microbial research,Medical teaching demonstration Package Includes: 4pcs Glass Cell Spreader note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.