1. Reasonable design, easy to clean, corrosion resistant, durable, ABS material can withstand-80-121 ℃ high pressure sterilization without deformation. Various designs. Color, suitable for various types of test tubes and centrifuge tubes, can meet the needs of different experimental operations.

2. Unique design, silicone sheet fix the tube body, put it into the water to prevent floating, inverted without falling off, vibration and impact without noise, floor buffer without damage, can be fixed to more than 100 holes in combination, it is suitable for all kinds of test tubes and centrifuge tubes below 18mm, with strong material, impact resistance, acid and alkali resistance, high temperature and high pressure without deformation.