Material: It make of two parts: long and high quality stainless steel and durable nature wool. Soft wool bristles for cleaning.
Wide Size: It has 18 inch long, the diameter range from: 2, 4, 6, 8, 12, 15, 20 mm (1/16, 1/6, 1/4, 1/3, 1/2, 2/3 and 3/4in). It can clean long glass graduated dropper pipettes.
Multipurpose: It can clean glass graduated dropper pipettes, endoscope, plastic straw, tea and coffee spouts, vases, glasses tip and other lumen instruments.
Taper Bristles: The brushes have taper Soft wool bristles can well clean glass graduated dropper pipettes than other nylon Tube Brush.
Easy To Use: Choose the right size brush, the stainless steel are flexible and the wool bristles can clean the inner wall of glass graduated dropper pipettes and other tube.
