CLEANING BRUSH || Brush designed to clean test tubes or other narrow glassware. Brush (including handle) measures 15" in total length STAINLESS STEEL HANDLE || Brush features a stainless steel, twisted wire handle that is resistant to corrosion. Moderate flexibility allows you to modify the handle shape if needed GREAT FOR CLEANING NARROW SPACES || Excellent for scrubbing hard-to-reach, narrow spaces including tubes, pipes, cups, bottles, jars, vases, laboratory glassware, measuring cylinders, b