1.Highquality material: Made of environmentally friendly PP material, this laboratory drying rack is resistant to acids and alkali to ensure that it remains stable and durable for longterm use. 2.Efficient Drying Drainage System: Ideal for drying tubes, cups, bottles and other laboratory glasses. It has a builtin tray hole and an outlet hose for leakproof water drainage. Includes a vinyl hose of 30.7 inches (780 mm) for improved drainage efficiency. 3.Removable pins: The rack has 52 removable pins, each measuring a length of 130 mm and 0.35 inches (9 mm) in diameter. The tiered arrangement saves space. 4.Versatile mounting options: can be easily mounted or used as a worktop drying rack, which provides flexibility in laboratory setup and room management.