Features and Benefits:•Long-lasting,stiff Trialoy® polyester filament can be used in either solvent- orwater-based cleaning solutions.TIME SAVER brushes are available in three separate models,each incorporating our strain-fighting ergonomic design. Durable,injection molded handle with ribbed design for firm grip. Long-lasting,stiff Trialoy® polyester filament can be used in either solvent- orwater-based cleaning solutions.