Designed for precision cleaning, this set of laboratory brushes is ideal for maintaining the of your glassware. The brushes are equipped with soft yet bristles that can effectively clean without scratching the surface. The ergonomic design of the handles ensures a comfortable and secure grip, making the cleaning process more efficient. Features -Color:Light Brown -Material:Stainless steel bristle -Size:26.00X3.50X3.50cm/10.22X1.38X1.38in -Size:23.00X3.00X3.00cm/9.04X1.18X1.18in -Size:19.50X2.50X2.50cm/7.66X0.98X0.98in -Variety of sizes: includes small, medium, and large brushes to fit different glass test tubes, meeting diverse laboratory needs -cleaning: soft and densely packed bristles ensure comprehensive cleaning of test tube interiors, removing all dirt and residues - design: crafted with nylon bristles and strong plastic handles, these brushes are built to withstand frequent use -Storage friendly: each brush has a hanging loop for easy storage, helping to keep your lab organized -Multi functional: suitable for cleaning test tubes and other lab equipment and containers, offering great versatility Package list: 6pcs Laboratory cleaning bottle brush