MULTIPURPOSE - Multifunctional tube brushes can brush the inner hole or pipe, clean narrow spaces, not easy to shed hair, and are easy to clean without hurting the inner wall. Suitable for cleaning test tubes, plastic bottles, glasses, beakers, cosmetic vials, etc.WHAT YOU GET - The package comes with 2pcs Graduated Cylinder Brush that measure 0.14mm / 0.01inch Bristle Dia; 200 x 60mm / 7.87 x 2.36inch (L*D) Brush Size; 230 x 3.8mm / 9.06 x 0.15inch (L*D) Handle Size; 430mm / 16.93inch Total Length.RELIABLE MATERIAL - The measuring cylinder brush is made of synthetic bristle, which is excellent in workmanship and has a long service life; it has greater elasticity and maintains dimensional stability, is crisp and wrinkle-resistant, and has good air permeability.
eBay