Enhance your laboratory organization and efficiency with this premium acid-resistant stainless steel Test Tube Rack. Designed for durability and corrosion resistance, this rack is perfect for securely holding test tubes and colorimetric tubes during chemical experiments, drying processes, and other scientific applications. With 40 precision-engineered holes of varying diameters, it accommodates a wide range of tube sizes to meet diverse laboratory needs. Key Features: · Durable Acid-Resistant Stainless Steel: Crafted from high-quality stainless steel that resists acid and corrosion, ensuring long-lasting use in demanding lab environments. · Multiple Hole Sizes: Available in three diameter options (15.5mm, 18.5mm, 20.5mm) to securely hold standard test tubes ranging from 15mm up to 21mm, providing versatile compatibility. · Large Capacity: Equipped with 40 holes, allowing for efficient organization and suspension of multiple test tubes or colorimetric tubes simultaneously. · Professional Craftsmanship: Expertly manufactured with exquisite workmanship for a sleek, practical design that is both aesthetically pleasing and highly functional. · Multi-Purpose Use: Beyond laboratory use, this rack can serve as a convenient holder for pens, brushes, and other tools, making it ideal for both professional and creative settings. Specifications: · Material: Acid-Resistant Stainless Steel · Hole Diameter Options: 15.5mm (fits 15-16mm tubes), 18.5mm (fits 17-18mm tubes), 20.5mm (fits 20-21mm tubes) · Weight: 15.5mm – Approx. 401g (14.1oz), 18.5mm – Approx. 488g (17.2oz), 20.5mm – Approx. 520g (18.3oz) · Condition: 100% Brand New Package Includes: · 1 x Test Tube Holder This stainless steel Test Tube Rack is an essential laboratory accessory that combines durability, versatility, and elegant design. Its corrosion-resistant construction and varied hole sizes make it a reliable choice for securely suspending test tubes during experiments or drying, while its multifunctional design allows for creative use beyond the lab. Improve your workspace organization and efficiency with this sturdy and practical test tube rack.