- Versatile Applications: This metal test tube rack is designed for various laboratory applications, excelling in scientific experiments, plant propagation studies, and even as an organizational tool for cooking. Its professional-grade construction meets laboratory standards while being adaptable for educational institutions, research facilities, and home science enthusiasts. - Optimized Visibility and Access: The open design allows for clear visibility of contents, making it easy to insert and remove samples. Strategically spaced tiers provide quick access to all test tubes without compromising stability. - Precise Fit for Standard Tubes: Measuring 11.9 x 8.9 x 8.7 cm (4.7 x 3.5 x 3.4 inches), this rack is specifically sized for 50 ml test tubes. The precisely crafted holes ensure a secure fit while allowing for smooth handling of tubes. - Stable 3-Tier Design with 6 Holes: Featuring an innovative 3-tier design with 6 accurately sized holes (30 mm/1.18 inches in diameter), this rack offers exceptional stability for your test tubes. The multi-tier structure prevents tube damage by securely holding each tube in place, even during vigorous laboratory work. Use Scenarios: 1. Ideal for conducting controlled plant growth experiments in educational settings, providing a stable and organized environment for test tubes. 2. Perfect for conducting chemical experiments, ensuring easy access to samples while maintaining a clutter-free workspace. 3. Useful for culinary applications, allowing chefs to organize and manage liquid ingredients effectively. This test tube rack is the practical solution you need for a variety of lab and home science applications, combining functionality, reliability, and ease of use.