The cork ring for lab flasks is an essential accessory for any laboratory. Its sturdy construction and precise design make it suitable for holding round bottom flasks securely. The cork material provides excellent insulation, protecting flask from sudden temperature changes. This holder is a must-have for maintaining stability and safety in the lab. Features -Color:Light Brown -Material:Wood -Size: 11.00X11.00X3.00cm/4.32X4.32X1.18in -Diameter: 110 mm -Vibration protection: the cork construction minimizes vibrations, safeguarding your lab equipment from damage -Stable base: the antislip cork bottom that your flasks stay in place, preventing accidental spills -Wide compatibility: suitable for a wide range of round bottom flasks, providing a secure fit - : crafted from cork, this holder is built to withstand frequent use -Multipurpose: besides flasks, it can hold various round bottom items, making it a versatile lab accessory Package list: 1 x Cork flask holder