Atlasta (AT101) Parts Cleaning Brush (9.75 Inches, 4.3 Ounces) for Cleaning Auto Engine Parts, Small Motors, Car Detailing, Boats, Household Grime Ideal for greasy, grime-encrusted auto parts. Also for cleaning dirty, tight places in the house. Innovative, bullet-shaped tip focuses the cleaning power for easy cleanup. Won't mushroom. Long-lasting Trialoy polyester filament can be used with petroleum or water-based degreasers. This is a professional tool, made by the company that invented the modern parts cleaning brush. Made in the USA. Only the filament is imported.