Features: The wood test tube rack organizers holder provides stablely support for 22mm test tube, 22mm dropper, 22mm pipettes, making it essential tool in any laboratory setting. Crafted from wood, this test tube rack testing tube holder is light in weight, and good durability, ensuring long time use. Very suitable for laboratory researcher, chemistry analysts, biologists, and educators who requires convenient storage holder for their experiment and teaching tool. Widely use for research laboratories, educational experiments, chemistry analysis, and biological testing environment. This multifunctional test tube storage holder testing tube drying rack enhances efficiency and organization in your work place, ensuring that your test tube and pipettes dropper securely held during critical experiment. Specifications: Color: Wood Color Component: Wood Type: 6 Hole Rack; 8 Hole Rack; 12 Hole Rack; 6 Hole Rack Size: Approx. 24x7x8.5cm/9.44x2.76x3.35in 8 Hole Rack Size: Approx. 30x7x8.7cm/11.18x2.76x3.42in 12 Hole Rack Size: Approx. 42x7x8.7cm/16.53x2.76x3.42in Weight: Approx. 600g; 700g; 800g Package Includes: 1Piece Wood Test Tube Holder note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color