Metal Test Tube Rack Welcome to our store! Features: Designed for 19mm Tubes: This test tube rack features 12 holes, each approximately 19mm in diameter. 304 Stainless Steel Construction: Made from premium 304 stainless steel for a robust structure and excellent impact resistance. 3-Tier Design: The three-tiered design securely holds tubes, preventing damage, ideal for labs. Wide Applications: Suitable for scientific experiments, plant propagation, and storing cooking spices. Easy to Use: This stainless steel rack provides clear visibility of tube contents and convenient insertion and removal. Specifications: Item Type: Metal Test Tube Rack Material: 304 Stainless Steel Application: Convenient insertion and removal of tubes in the laboratory Product Size: Approx. 15.9 x 8.5 x 6.2 cm / 6.3 x 3.3 x 2.4 inches (manual measurement, slight error may occur) Package Includes: 1 x Metal Test Tube Rack