Description3pcs Test Tube Brushes Lab Cleaning Tool
SpecificationsMaterial: Pig Hair !#!amp!*!amp; Steel
SIZE OVERALL LENGTH HAIR LENGTH Small (approx.) 180mm (approx.) 75mm Medium (approx.) 210mm (approx.) 95mm Large (approx.) 250mm (approx.) 115mm
Features3 pieces of tube brushes in a package， small， medium and large size.A good assistant to clean inside surface of small bottlenecks ，spouts， test tubes， refined oil bottles， glass cylinders and so on.Reusable and washable.With a small hoop allows to hang.
Package included3 x Test Tube Brushes